perl 4.0 patch 20: (combined patch)

ENHANCEMENTS
Subject: relaxed requirement for semicolon at the end of a block
Subject: scalar keys %array now counts keys for you
Subject: added ... as variant on ..
Subject: get*by* routines now return something useful in a scalar context
Subject: form feed for formats is now specifiable via $^L
Subject: PERLLIB now supports multiple directories
Subject: paragraph mode now skips extra newlines automatically

MANPAGE
Subject: documented that numbers may contain underline
Subject: clarified that DATA may only be read from main script
Subject: documented need for 1; at the end of a required file
Subject: extended bracket-style quotes to two-arg operators: s()() and tr()()
Subject: documented PERLLIB and PERLDB
Subject: documented limit on size of regexp

CONFIGURATION
Subject: bcopy() and memcpy() now tested for overlap safety
Subject: isascii() may now be supplied by a library routine
Subject: Configure now allows optional continuation with files missing
Subject: many more hints files added
Subject: many more hints added
Subject: hints now auto selected on uname -s as well as uname -m
Subject: OSF/1 support added
Subject: Configure growing-library-list bug fixed
Subject: seekdir(), telldir() and rewinddir() now checked for independently
Subject: cray didn't give enough memory to /bin/sh
Subject: perl -P now uses location of sed determined by Configure
Subject: SH files didn't work well with symbolic links
Subject: makefiles now display new shift/reduce expectations
Subject: support added to installperl for cross-compilation
Subject: a2p was installed unexecutable
Subject: installperl didn't warn on failed manpage installation
Subject: disabled cpp test if cppstdin not yet installed

PORTABILITY
Subject: O_PIPE conflicted with Atari
Subject: config.H updated to reflect more recent config.h
Subject: removed implicit int declarations on functions
Subject: added Atari ST portability
Subject: some machines don't define ENOTSOCK in errno.h
Subject: added explicit time_t support
Subject: alternate config.h files upgraded
Subject: new OS/2 support

COMPILER
Subject: various error messages have been clarified
Subject: the switch optimizer didn't do anything in subroutines
Subject: clarified debugging output for literals and double-quoted strings
Subject: new warning for use of x with non-numeric right operand
Subject: illegal lvalue message could be followed by core dump
Subject: new warning for ambiguous use of unary operators
Subject: eval "1 #comment" didn't work
Subject: semantic compilation errors didn't abort execution
Subject: an expression may now start with a bareword
Subject: if {block} {block} didn't work any more
Subject: "$var{$foo'bar}" didn't scan subscript correctly
Subject: an EXPR may now start with a bareword
Subject: print $fh EXPR can now expect term rather than operator in EXPR
Subject: new warning on spurious backslash
Subject: new warning on missing $ for foreach variable
Subject: "foo"x1024 now legal without space after x
Subject: new warning on print accidentally used as function
Subject: 2. now eats the dot
Subject: <@ARGV> now notices @ARGV
Subject: tr/// now lets you say \-

RUNTIME
Subject: an eval block containing a null block or statement could dump core
Subject: modulus with highest bit in left operand set didn't always work
Subject: join() now pre-extends target string to avoid excessive copying
Subject: subroutines didn't localize $`, $&, $', $1 et al correctly
Subject: usersub routines didn't reclaim temp values soon enough
Subject: ($<,$>) = ... didn't work on some architectures
Subject: fixed memory leak on system() for vfork() machines
Subject: @ in unpack failed too often
Subject: slice on null list in scalar context returned random value
Subject: splice with negative offset didn't work with $[ = 1
Subject: fixed some memory leaks in splice
Subject: dbmclose(%array) didn't work
Subject: delete could cause %array to give too low a count of buckets filled
Subject: hash tables now split only if the memory is available to do so
Subject: realloc(0, size) now does malloc in case library routines call it
Subject: running taintperl explicitly now does checks even if $< == $>
Subject: fixed memory leak in doube-quote interpretation
Subject: a splice on non-existent array elements could dump core
Subject: tr/stuff// wasn't working right

I/O
Subject: new warnings for failed use of stat operators on filenames with \n
Subject: wait failed when STDOUT or STDERR reopened to a pipe
Subject: end of file latch not reset on reopen of STDIN
Subject: seek(HANDLE, 0, 1) went to eof because of ancient Ultrix workaround
Subject: h_errno now accessible via $?

REGEXP
Subject: pattern modifiers i and o didn't interact right
Subject: g pattern modifer sometimes returned extra values
Subject: m/$pattern/g didn't work
Subject: /^stuff/ wrongly assumed an implicit $* == 1
Subject: /x{0}/ was wrongly interpreted as /x{0,}/
Subject: added \W, \S and \D inside /[...]/
Subject: pattern modifiers i and g didn't interact right
Subject: in some cases $` and $' didn't get set by match
Subject: made /\$$foo/ look for literal '$foo'

LIBRARIES
Subject: big*.pl library files upgraded
Subject: better support in chat2 for multiple children
Subject: &ctime didn't handle $[ != 0
Subject: find.pl got confused by unreadable directories
Subject: new version of newgetopt.pl
Subject: Tom's famous double-ended pipe opener, open2(), is now included
Subject: support added to pwd.pl to strip automounter crud
Subject: &shellwords looped on bad input, and used inefficient regular exprs
Subject: termcap.pl didn't parse termcap terminal names right
Subject: timelocal could loop on bad input
Subject: timelocal now calculates DST itself
Subject: &getcap eventually dumped core in bsdcurses

DEBUGGER
Subject: support for MSDOS folded into perldb.pl
Subject: perldb couldn't debug file containing '-', such as STDIN designator
Subject: the debugger now warns you on lines that can't set a breakpoint
Subject: the debugger made perl forget the last pattern used by //
Subject: fixed double debug break in foreach with implicit array assignment
Subject: debugger sometimes displayed wrong source line

INTERSTICES
Subject: Perl now distinguishes overlapped copies from non-overlapped
Subject: fixed confusion between a *var's real name and its effective name
Subject: deleted some minor memory leaks
Subject: couldn't require . files
Subject: -e 'cmd' no longer fails silently if /tmp runs out of space
Subject: function key support added to curses.mus

TRANSLATORS
Subject: find2perl assumed . in PATH
Subject: find2perl didn't output portable startup code
Subject: find2perl didn't always stat at the right time
Subject: s2p didn't output portable startup code
Subject: s2p didn't translate s/pat/\&/ or s/pat/\$/ or s/pat/\\1/ right
Subject: in a2p, getline should allow variable to be array element
Subject: in a2p, now warns about spurious backslashes
Subject: in a2p, now allows [ to be backslashed in pattern
Subject: in a2p, now allows numbers of the form 2.
Subject: in a2p, simplified the filehandle model
Subject: in a2p, made RS="" translate to $/ = "\n\n"
Subject: in a2p, do {...} while ... was missing some reconstruction code

1 files changed, 48 insertions, 1 deletions

diff --git a/MANIFEST b/MANIFEST
index 0adfbf5b24..3890ea3184 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -7,12 +7,44 @@ MANIFEST		This list of files
 Makefile.SH		Precursor to Makefile
 PACKINGLIST		Which files came from which kits
 README			The Instructions
+README.ncr		Special instructions for NCR
 README.uport		Special instructions for Microports
 README.xenix		Special instructions for Xenix
 Wishlist		Some things that may or may not happen
 arg.h			Public declarations for the above
 array.c			Numerically subscripted arrays
 array.h			Public declarations for the above
+atarist/FILES
+atarist/README.ST
+atarist/RESULTS
+atarist/atarist.c
+atarist/config.h
+atarist/echo.c
+atarist/explain
+atarist/makefile.sm
+atarist/makefile.st
+atarist/osbind.pl
+atarist/perldb.diff
+atarist/perlglob.c
+atarist/test/binhandl
+atarist/test/ccon
+atarist/test/dbm
+atarist/test/err
+atarist/test/gdbm
+atarist/test/gdbm.t
+atarist/test/glob
+atarist/test/osexample.pl
+atarist/test/pi.pl
+atarist/test/printenv
+atarist/test/readme
+atarist/test/sig
+atarist/test/tbinmode
+atarist/usersub.c
+atarist/usub/README.ATARI
+atarist/usub/acurses.mus
+atarist/usub/makefile.st
+atarist/usub/usersub.c
+atarist/wildmat.c
 c2ph.SH			program to translate dbx stabs to perl
 c2ph.doc		documentation for c2ph
 cflags.SH		A script that emits C compilation flags per file
@@ -92,6 +124,7 @@ handy.h			Handy definitions
 hash.c			Associative arrays
 hash.h			Public declarations for the above
 hints/3b1.sh
+hints/3b1cc
 hints/3b2.sh
 hints/aix_rs.sh
 hints/aix_rt.sh
@@ -99,6 +132,8 @@ hints/altos486.sh
 hints/apollo_C6_7.sh
 hints/apollo_C6_8.sh	
 hints/aux.sh
+hints/cray.sh
+hints/dgux.sh
 hints/dnix.sh
 hints/dynix.sh
 hints/fps.sh
@@ -106,22 +141,26 @@ hints/genix.sh
 hints/greenhills.sh	
 hints/hp9000_300.sh
 hints/hp9000_400.sh
+hints/hp9000_700.sh
 hints/hp9000_800.sh	
 hints/hpux.sh
 hints/i386.sh
 hints/isc_3_2_2.sh
+hints/mc6000.sh
 hints/mips.sh
 hints/mpc.sh	
 hints/ncr_tower.sh
 hints/next.sh
 hints/opus.sh	
-hints/osf_1.sh
+hints/osf1.sh
 hints/sco_2_3_0.sh
 hints/sco_2_3_1.sh
 hints/sco_2_3_2.sh
 hints/sco_2_3_3.sh
+hints/sco_2_3_4.sh
 hints/sco_3.sh
 hints/sgi.sh
+hints/solaris_2_0.sh
 hints/stellar.sh	
 hints/sunos_3_4.sh
 hints/sunos_3_5.sh
@@ -129,8 +168,12 @@ hints/sunos_4_0_1.sh
 hints/sunos_4_0_2.sh
 hints/svr4.sh
 hints/ti1500.sh	
+hints/titan.sh
+hints/ultrix_1.sh
 hints/ultrix_3.sh
 hints/ultrix_4.sh
+hints/unisysdynix.sh
+hints/utekv.sh
 hints/uts.sh
 hints/vax.sh
 installperl		Perl script to do "make install" dirty work
@@ -156,6 +199,7 @@ lib/getopts.pl		Perl library supporting option parsing
 lib/importenv.pl	Perl routine to get environment into variables
 lib/look.pl		A "look" equivalent
 lib/newgetopt.pl	A perl library supporting long option parsing
+lib/open2.pl
 lib/perldb.pl		Perl debugging routines
 lib/pwd.pl		Routines to keep track of PWD environment variable
 lib/shellwords.pl	Perl library to split into words with shell quoting
@@ -189,6 +233,7 @@ os2/a2p.def		Linker defs for a2p
 os2/alarm.c		An implementation of alarm()
 os2/alarm.h		Header file for same
 os2/config.h		Configuration file for OS/2
+os2/crypt.c
 os2/dir.h		Directory header
 os2/director.c		Directory routines
 os2/eg/alarm.pl		Example of alarm code
@@ -211,6 +256,7 @@ os2/s2p.cmd		s2p as command file
 os2/selfrun.bat		A self running perl script for DOS
 os2/selfrun.cmd		Example of extproc feature
 os2/suffix.c		Code for creating backup filenames
+os2/tests.dif
 patchlevel.h		The current patch level of perl
 perl.c			main()
 perl.h			Global declarations
@@ -218,6 +264,7 @@ perl.man		The manual page(s)
 perlsh			A poor man's perl shell
 perly.fixer		A program to remove yacc stack limitations
 perly.y			Yacc grammar for perl
+pstruct
 regcomp.c		Regular expression compiler
 regcomp.h		Private declarations for above
 regexec.c		Regular expression evaluator