[inseperable changes from patch from perl-5.003_95 to perl-5.003_86]

[editor's note: this commit was prepared manually so may differ in
minor ways to other inseperable changes commits]

 CORE LANGUAGE CHANGES

  Title:  "Support $ENV{PERL5OPT}"
   From:  Chip Salzenberg
  Files:  perl.c pod/perldiag.pod pod/perldelta.pod pod/perlrun.pod

  Title:  "Implement void context, in which C<wantarray> is undef"
   From:  Chip Salzenberg
  Files:  cop.h doop.c dump.c global.sym gv.c op.c op.h perl.c
          pod/perlcall.pod pod/perldelta.pod pod/perlfunc.pod
          pod/perlguts.pod pod/perlsub.pod pp.c pp_ctl.c pp_hot.c
          pp_sys.c proto.h

  Title:  "Don't look up &AUTOLOAD in @ISA when calling plain function"
   From:  Chip Salzenberg
  Files:  global.sym gv.c lib/Text/ParseWords.pm pod/perldelta.pod
          pp_hot.c proto.h t/op/method.t

  Title:  "Allow closures to be constant subroutines"
   From:  Chip Salzenberg
  Files:  op.c

  Title:  "Make C<scalar(reverse)> mean C<scalar(reverse $_)>"
   From:  Chip Salzenberg
  Files:  pp.c

  Title:  "Fix lexical suicide from C<my $x = $x> in sub"
   From:  Chip Salzenberg
  Files:  op.c

  Title:  "Make "Unrecog. char." fatal, and update its doc"
   From:  Chip Salzenberg
  Files:  pod/perldiag.pod toke.c

 CORE PORTABILITY

  Title:  "safefree() mismatch"
   From:  Roderick Schertler
 Msg-ID:  <21338.859653381@eeyore.ibcinc.com>
   Date:  Sat, 29 Mar 1997 11:36:21 -0500
  Files:  util.c

    (applied based on p5p patch as commit id 9b9b466fb02dc96c81439bafbb3b2da55238cfd2)

  Title:  "Win32 update (seven patches)"
   From:  Gurusamy Sarathy and Nick Ing-Simmons
  Files:  EXTERN.h MANIFEST win32/Makefile win32/perl.mak
          win32/perl.rc win32/perldll.mak win32/makedef.pl
          win32/modules.mak win32/win32io.c win32/bin/pl2bat.bat

 OTHER CORE CHANGES

  Title:  "Report PERL* environment variables in -V and perlbug"
   From:  Chip Salzenberg
  Files:  perl.c utils/perlbug.PL

  Title:  "Typo in perl.c: Printing NO_EMBED for perl -V"
   From:  Gisle Aas
 Msg-ID:  <199703301922.VAA13509@furubotn.sn.no>
   Date:  Sun, 30 Mar 1997 21:22:11 +0200
  Files:  perl.c

    (applied based on p5p patch as commit id b6c639e4b1912ad03b9b10ba9518d96bd0a6cfaf)

  Title:  "Don't let C<$var = $var> untaint $var"
   From:  Chip Salzenberg
  Files:  pp_hot.c pp_sys.c sv.h t/op/taint.t

  Title:  "Fix autoviv bug in C<my $x; ++$x->{KEY}>"
   From:  Chip Salzenberg
  Files:  pp_hot.c

  Title:  "Re: 5.004's new srand() default seed"
   From:  Hallvard B Furuseth
 Msg-ID:  <199703302219.AAA20998@bombur2.uio.no>
   Date:  Mon, 31 Mar 1997 00:19:13 +0200 (MET DST)
  Files:  pp.c

    (applied based on p5p patch as commit id d7d933a26349f945f93b2f0dbf85b773d8ca3219)

  Title:  "Re: embedded perl and top_env problem "
   From:  Gurusamy Sarathy
 Msg-ID:  <199703280031.TAA05711@aatma.engin.umich.edu>
   Date:  Thu, 27 Mar 1997 19:31:42 -0500
  Files:  gv.c interp.sym perl.c perl.h pp_ctl.c pp_sys.c scope.h util.c

    (applied based on p5p patch as commit id f289f7d2518e7a8a82114282e774adf50fa6ce85)

  Title:  "Define and use new macro: boolSV()"
   From:  Tim Bunce
  Files:  gv.c lib/ExtUtils/typemap os2/os2.c pp.c pp_hot.c pp_sys.c
          sv.c sv.h universal.c vms/vms.c

  Title:  "Re: strict @F"
   From:  Hallvard B Furuseth
 Msg-ID:  <199703252110.WAA16038@bombur2.uio.no>
   Date:  Tue, 25 Mar 1997 22:10:33 +0100 (MET)
  Files:  toke.c

    (applied based on p5p patch as commit id dfd44a5c8c8dd4c001c595debfe73d011a96d844)

  Title:  "Try harder to identify errors at EOF"
   From:  Chip Salzenberg
  Files:  toke.c

  Title:  "Minor string change in toke.c: 'bareword'"
   From:  lvirden@cas.org
 Msg-ID:  <1997Mar27.130247.1911552@hmivax.humgen.upenn.edu>
   Date:  Thu, 27 Mar 1997 13:02:46 -0500 (EST)
  Files:  toke.c

    (applied based on p5p patch as commit id 9b56c8f8085a9e773ad87c6b3c1d0b5e39dbc348)

  Title:  "Improve diagnostic on \r in program text"
   From:  Chip Salzenberg
  Files:  pod/perldiag.pod toke.c

  Title:  "Make Sock_size_t typedef work right"
   From:  Chip Salzenberg
  Files:  perl.h pp_sys.c

 LIBRARY AND EXTENSIONS

  Title:  "New module constant.pm"
   From:  Tom Phoenix
  Files:  MANIFEST lib/constant.pm op.c pp.c t/pragma/constant.t

  Title:  "Remove chat2"
   From:  Chip Salzenberg
  Files:  MANIFEST lib/chat2.inter lib/chat2.pl

  Title:  "Include CGI.pm 2.32"
   From:  Chip Salzenberg
  Files:  MANIFEST eg/cgi/* lib/CGI.pm lib/CGI/Apache.pm
          lib/CGI/Carp.pm lib/CGI/Fast.pm lib/CGI/Push.pm
          lib/CGI/Switch.pm

 UTILITIES

  Title:  "Tom C's Pod::Html and html tools, as of 30 March 97"
   From:  Chip Salzenberg
  Files:  MANIFEST installhtml lib/Pod/Html.pm pod/pod2html.PL

  Title:  "Fix path bugs in installhtml"
   From:  Robin Barker <rmb1@cise.npl.co.uk>
 Msg-ID:  <3180.9703270906@tempest.cise.npl.co.uk>
   Date:  Thu, 27 Mar 97 09:06:14 GMT
  Files:  installhtml

  Title:  "Make perlbug say that it's only for core Perl bugs"
   From:  Chip Salzenberg
  Files:  utils/perlbug.PL

 DOCUMENTATION

  Title:  "Document autouse and constant; update diagnostics"
   From:  Chip Salzenberg
  Files:  pod/perldelta.pod

  Title:  "Suggest to upgraders that they try '-w' again"
   From:  Hallvard B Furuseth
 Msg-ID:  <199703251901.UAA15982@bombur2.uio.no>
   Date:  Tue, 25 Mar 1997 20:01:26 +0100 (MET)
  Files:  pod/perldelta.pod

    (applied based on p5p patch as commit id 4176c059b9ba6b022e99c44270434a5c3e415b73)

  Title:  "Improve and update documentation of constant subs"
   From:  Tom Phoenix <rootbeer@teleport.com>
 Msg-ID:  <Pine.GSO.3.96.970331122546.14185C-100000@kelly.teleport.com>
   Date:  Mon, 31 Mar 1997 13:05:54 -0800 (PST)
  Files:  pod/perlsub.pod

  Title:  "Improve documentation of C<return>"
   From:  Chip Salzenberg
  Files:  pod/perlfunc.pod pod/perlsub.pod

  Title:  "perlfunc.pod patch"
   From:  Gisle Aas
 Msg-ID:  <199703262159.WAA17531@furubotn.sn.no>
   Date:  Wed, 26 Mar 1997 22:59:23 +0100
  Files:  pod/perlfunc.pod

    (applied based on p5p patch as commit id 35a731fcbcd7860eb497d6598f3f77b8746319c4)

  Title:  "Use 'while (defined($x = <>)) {}', per <gnat@frii.com>"
   From:  Chip Salzenberg
  Files:  configpm lib/Term/Cap.pm perlsh pod/perlipc.pod pod/perlop.pod
          pod/perlsub.pod pod/perlsyn.pod pod/perltrap.pod
          pod/perlvar.pod win32/bin/search.bat

  Title:  "Document and test C<%> behavior with negative operands"
   From:  Chip Salzenberg
  Files:  pod/perlop.pod t/op/arith.t

  Title:  "Update docs on $]"
   From:  Chip Salzenberg
  Files:  pod/perlvar.pod

  Title:  "perlvar.pod patch"
   From:  Gisle Aas
 Msg-ID:  <199703261254.NAA10237@bergen.sn.no>
   Date:  Wed, 26 Mar 1997 13:54:00 +0100
  Files:  pod/perlvar.pod

    (applied based on p5p patch as commit id 0aa182cb0caa3829032904b9754807b1b7418509)

  Title:  "Fix example of C<or> vs. C<||>"
   From:  Chip Salzenberg
  Files:  pod/perlsyn.pod

  Title:  "Pod usage and spelling patch"
   From:  Larry W. Virden
  Files:  pod/*.pod

  Title:  "Pod updates"
   From:  "Cary D. Renzema" <caryr@mxim.com>
 Msg-ID:  <199703262353.PAA01819@macs.mxim.com>
   Date:  Wed, 26 Mar 1997 15:53:22 -0800 (PST)
  Files:  pod/*.pod

    (applied based on p5p patch as commit id 5695b28edc67a3f45e8a0f25755d07afef3660ac)

1 files changed, 23 insertions, 15 deletions

diff --git a/pod/perlrun.pod b/pod/perlrun.pod
index a2e0764c7b..dd467a5050 100644
--- a/pod/perlrun.pod
+++ b/pod/perlrun.pod
@@ -44,7 +44,7 @@ beginning, unless you've specified a B<-x> switch, in which case it
 scans for the first line starting with #! and containing the word
 "perl", and starts there instead.  This is useful for running a script
 embedded in a larger message.  (In this case you would indicate the end
-of the script using the __END__ token.)
+of the script using the C<__END__> token.)
 
 The #! line is always examined for switches as the line is being
 parsed.  Thus, if you're on a machine that allows only one argument
@@ -81,7 +81,7 @@ dispatch the program to the correct interpreter for them.
 After locating your script, Perl compiles the entire script to an
 internal form.  If there are any compilation errors, execution of the
 script is not attempted.  (This is unlike the typical shell script,
-which might run partway through before finding a syntax error.)
+which might run part-way through before finding a syntax error.)
 
 If the script is syntactically correct, it is executed.  If the script
 runs off the end without hitting an exit() or die() operator, an implicit
@@ -102,7 +102,7 @@ Put
 as the first line in C<*.cmd> file (C<-S> due to a bug in cmd.exe's
 `extproc' handling).
 
-=item DOS
+=item MS-DOS
 
 Create a batch file to run your script, and codify it in
 C<ALTERNATIVE_SHEBANG> (see the F<dosish.h> file in the source
@@ -138,10 +138,10 @@ For example:
     # Unix
     perl -e 'print "Hello world\n"'
 
-    # DOS, etc.
+    # MS-DOS, etc.
     perl -e "print \"Hello world\n\""
 
-    # Mac
+    # Macintosh
     print "Hello world\n"
      (then Run "Myscript" or Shift-Command-R)
 
@@ -149,7 +149,7 @@ For example:
     perl -e "print ""Hello world\n"""
 
 The problem is that none of this is reliable: it depends on the command
-tirely possible neither works.  If 4DOS was the command shell, this would
+and it is entirely possible neither works.  If 4DOS was the command shell, this would
 probably work better:
 
     perl -e "print <Ctrl-x>"Hello world\n<Ctrl-x>""
@@ -158,9 +158,9 @@ CMD.EXE in Windows NT slipped a lot of standard Unix functionality in
 when nobody was looking, but just try to find documentation for its
 quoting rules.
 
-Under the Mac, it depends which environment you are using.  The MacPerl
+Under the Macintosh, it depends which environment you are using.  The MacPerl
 shell, or MPW, is much like Unix shells in its support for several
-quoting variants, except that it makes free use of the Mac's non-ASCII
+quoting variants, except that it makes free use of the Macintosh's non-ASCII
 characters as control characters.
 
 There is no general solution to all of this.  It's just a mess.
@@ -211,7 +211,7 @@ An alternate delimiter may be specified using B<-F>.
 
 causes Perl to check the syntax of the script and then exit without
 executing it.  Actually, it I<will> execute C<BEGIN>, C<END>, and C<use> blocks,
-because these are considered as occurring outside the execution of 
+because these are considered as occurring outside the execution of
 your program.
 
 =item B<-d>
@@ -254,11 +254,11 @@ equivalent to B<-Dtls>):
 
 =item B<-e> I<commandline>
 
-may be used to enter one line of script.  
+may be used to enter one line of script.
 If B<-e> is given, Perl
-will not look for a script filename in the argument list.  
+will not look for a script filename in the argument list.
 Multiple B<-e> commands may
-be given to build up a multi-line script.  
+be given to build up a multiline script.
 Make sure to use semicolons where you would in a normal program.
 
 =item B<-F>I<pattern>
@@ -309,8 +309,8 @@ know when the filename has changed.  It does, however, use ARGVOUT for
 the selected filehandle.  Note that STDOUT is restored as the
 default output filehandle after the loop.
 
-You can use C<eof> without parenthesis to locate the end of each input file, 
-in case you want to append to each file, or reset line numbering (see 
+You can use C<eof> without parenthesis to locate the end of each input file,
+in case you want to append to each file, or reset line numbering (see
 example in L<perlfunc/eof>).
 
 =item B<-I>I<directory>
@@ -358,7 +358,7 @@ e.g., C<-M'module qw(foo bar)'>.
 If the first character after the C<-M> or C<-m> is a dash (C<->)
 then the 'use' is replaced with 'no'.
 
-A little built-in syntactic sugar means you can also say
+A little builtin syntactic sugar means you can also say
 C<-mmodule=foo,bar> or C<-Mmodule=foo,bar> as a shortcut for
 C<-M'module qw(foo bar)'>.  This avoids the need to use quotes when
 importing symbols.  The actual code generated by C<-Mmodule=foo,bar> is
@@ -547,6 +547,14 @@ instead say
 
     use lib "/my/directory";
 
+=item PERL5OPT
+
+Command-line options (switches).  Switches in this variable are taken
+as if they were on every Perl command line.  Only the B<-[DIMUdmw]>
+switches are allowed.  When running taint checks (because the script
+was running setuid or setgid, or the B<-T> switch was used), this
+variable is ignored.
+
 =item PERLLIB
 
 A colon-separated list of directories in which to look for Perl library