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Import latest version of texi2pod.pl from FSF GCC sources.
This commit is contained in:
Nick Clifton
parent
efa2176256
commit
cef717dccf
@ -1,3 +1,31 @@
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2002-06-11 Nick Clifton <nickc@cambridge.redhat.com>
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Import the following patches from the FSF GCC sources:
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2002-03-25 Zack Weinberg <zack@codesourcery.com>
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* texi2pod.pl: Handle @end ftable and @end vtable.
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2001-12-12 Matthias Klose <doko@debian.org>
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* texi2pod.pl: Merge changes from binutils' texi2pod.pl. Allows
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generation of more than one man page from one source.
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Add '-' to set of valid chars for an identifier.
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Let -D option accept flags of the form <flag>=<value>.
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Use \s+ for whitespace detection in '@c man' lines.
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Handle @set and @clear independent of $output.
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Substitute all @value{}'s in a line.
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2001-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
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* texi2pod.pl: Handle @ifnottex, @iftex and @display. Handle @var
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in verbatim blocks specially. Handle @unnumbered, @unnumberedsec
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and @center. Allow [a-z] after @enumerate. Handle 0 and numbers
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greater than 9 in enumerations.
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2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
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* texi2pod.pl: Handle @r inside @item.
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2002-02-27 Andrew Cagney <ac131313@redhat.com>
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* fdl.texi: New file.
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@ -19,7 +47,7 @@
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* add-log.el, add-log.vi: New files.
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Wed Jan 20 01:33:50 1999 Angela Marie Thomas (angela@cygnus.com)
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1999-01-20 Angela Marie Thomas (angela@cygnus.com)
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* comp-tools-verify: Remove some checks that are no longer valid.
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@ -27,16 +55,16 @@ Wed Jan 20 01:33:50 1999 Angela Marie Thomas (angela@cygnus.com)
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* targetdoc/fr30.texi: New document.
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Thu Oct 1 21:15:59 1998 Angela Marie Thomas (angela@cygnus.com)
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1998-10-01 Angela Marie Thomas (angela@cygnus.com)
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* comp-tools-fix, cross-tools-fix: Replace /usr/include
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with ${FIXINCDIR}.
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Tue Aug 11 19:22:11 1998 Doug Evans <devans@canuck.cygnus.com>
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1998-08-11 Doug Evans <devans@canuck.cygnus.com>
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* make-rel-sym-tree (version): Update calculation.
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Fri Jun 12 21:34:01 1998 Ian Lance Taylor <ian@cygnus.com>
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1998-06-12 Ian Lance Taylor <ian@cygnus.com>
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* configure.texi: Various additions.
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* Makefile.in (TEXI2HTML, DVIPS): New variables.
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@ -51,7 +79,7 @@ Fri Jun 12 21:34:01 1998 Ian Lance Taylor <ian@cygnus.com>
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* configbuild.ein: New file (EPS version of configbuild.fig).
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* configbuild.jin: New file (JPEG version of configbuild.fig).
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Wed Jun 10 14:41:25 1998 Ian Lance Taylor <ian@cygnus.com>
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1998-06-10 Ian Lance Taylor <ian@cygnus.com>
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* configure.texi: New file.
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* configdev.tin: New file.
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132
etc/texi2pod.pl
132
etc/texi2pod.pl
@ -1,6 +1,6 @@
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#! /usr/bin/perl -w
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# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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# Copyright (C) 1999, 2000, 2001, 200 Free Software Foundation, Inc.
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# This file is part of GNU CC.
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@ -30,9 +30,12 @@ $section = "";
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@icstack = ();
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@endwstack = ();
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@skstack = ();
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@instack = ();
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$shift = "";
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%defs = ();
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$fnno = 1;
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$inf = "";
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$ibase = "";
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while ($_ = shift) {
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if (/^-D(.*)$/) {
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@ -41,15 +44,13 @@ while ($_ = shift) {
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} else {
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$flag = shift;
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}
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$value=$flag;
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$value =~ s,^[a-zA-Z0-9_]+,,;
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$value =~ s,.*=,,;
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$flag =~ s,=.*$,,;
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$value = "";
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($flag, $value) = ($flag =~ /^([^=]+)(?:=(.+))?/);
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die "no flag specified for -D\n"
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unless $flag ne "";
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#print STDERR "FL = $flag, V = $value\n";
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die "flags may only contain letters, digits, hyphens, dashes and underscores\n"
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unless $flag =~ /^[a-zA-Z0-9_-]+$/;
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$defs{$flag} = $value;
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} elsif (/^-/) {
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usage();
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} else {
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@ -60,14 +61,19 @@ while ($_ = shift) {
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}
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if (defined $in) {
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open(STDIN, $in) or die "opening \"$in\": $!\n";
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$inf = gensym();
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open($inf, "<$in") or die "opening \"$in\": $!\n";
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$ibase = $1 if $in =~ m|^(.+)/[^/]+$|;
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} else {
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$inf = \*STDIN;
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}
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if (defined $out) {
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open(STDOUT, ">$out") or die "opening \"$out\": $!\n";
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}
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while(<STDIN>)
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{
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while(defined $inf) {
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while(<$inf>) {
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# Certain commands are discarded without further processing.
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/^\@(?:
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[a-z]+index # @*index: useful only in complete manual
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@ -75,8 +81,9 @@ while(<STDIN>)
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|(?:end\s+)?group # @group .. @end group: ditto
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|page # @page: ditto
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|node # @node: useful only in .info file
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|(?:end\s+)?ifnottex # @ifnottex .. @end ifnottex: use contents
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)\b/x and next;
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chomp;
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# Look for filename and title markers.
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@ -84,7 +91,7 @@ while(<STDIN>)
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/^\@settitle\s+([^.]+)/ and $tl = postprocess($1), next;
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# Identify a man title but keep only the one we are interested in.
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/^\@c man title ([A-Za-z0-9]+) (.+)/ and do {
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/^\@c\s+man\s+title\s+([A-Za-z0-9-]+)\s+(.+)/ and do {
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if (exists $defs{$1}) {
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$fn = $1;
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$tl = postprocess($2);
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@ -95,19 +102,30 @@ while(<STDIN>)
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# Look for blocks surrounded by @c man begin SECTION ... @c man end.
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# This really oughta be @ifman ... @end ifman and the like, but such
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# would require rev'ing all other Texinfo translators.
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/^\@c man begin ([A-Z]+) ([A-Za-z0-9]+)/ and do {
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/^\@c\s+man\s+begin\s+([A-Z]+)\s+([A-Za-z0-9-]+)/ and do {
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$output = 1 if exists $defs{$2};
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$sect = $1;
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next;
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};
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/^\@c man begin ([A-Z]+)/ and $sect = $1, $output = 1, next;
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/^\@c man end/ and do {
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/^\@c\s+man\s+begin\s+([A-Z]+)/ and $sect = $1, $output = 1, next;
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/^\@c\s+man\s+end/ and do {
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$sects{$sect} = "" unless exists $sects{$sect};
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$sects{$sect} .= postprocess($section);
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$section = "";
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$output = 0;
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next;
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};
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# handle variables
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/^\@set\s+([a-zA-Z0-9_-]+)\s*(.*)$/ and do {
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$defs{$1} = $2;
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next;
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};
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/^\@clear\s+([a-zA-Z0-9_-]+)/ and do {
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delete $defs{$1};
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next;
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};
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next unless $output;
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# Discard comments. (Can't do it above, because then we'd never see
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@ -120,20 +138,20 @@ while(<STDIN>)
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# Ignore @end foo, where foo is not an operation which may
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# cause us to skip, if we are presently skipping.
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my $ended = $1;
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next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu)$/;
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next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/;
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die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
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die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw;
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$endw = pop @endwstack;
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if ($ended =~ /^(?:ifset|ifclear|ignore|menu)$/) {
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if ($ended =~ /^(?:ifset|ifclear|ignore|menu|iftex)$/) {
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$skipping = pop @skstack;
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next;
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} elsif ($ended =~ /^(?:example|smallexample)$/) {
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} elsif ($ended =~ /^(?:example|smallexample|display)$/) {
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$shift = "";
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$_ = ""; # need a paragraph break
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} elsif ($ended =~ /^(?:itemize|enumerate|table)$/) {
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} elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) {
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$_ = "\n=back\n";
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$ic = pop @icstack;
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} else {
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@ -160,7 +178,7 @@ while(<STDIN>)
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next;
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};
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/^\@(ignore|menu)\b/ and do {
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/^\@(ignore|menu|iftex)\b/ and do {
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push @endwstack, $endw;
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push @skstack, $skipping;
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$endw = $1;
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@ -189,6 +207,12 @@ while(<STDIN>)
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s/\@\{/{/g;
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s/\@\}/}/g;
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s/\@\@/&at;/g;
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# Inside a verbatim block, handle @var specially.
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if ($shift ne "") {
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s/\@var\{([^\}]*)\}/<$1>/g;
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}
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# POD doesn't interpret E<> inside a verbatim block.
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if ($shift eq "") {
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s/</</g;
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@ -199,11 +223,22 @@ while(<STDIN>)
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}
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# Single line command handlers.
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/^\@set\s+([a-zA-Z0-9_-]+)\s*(.*)$/ and $defs{$1} = $2, next;
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/^\@clear\s+([a-zA-Z0-9_-]+)/ and delete $defs{$1}, next;
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/^\@section\s+(.+)$/ and $_ = "\n=head2 $1\n";
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/^\@subsection\s+(.+)$/ and $_ = "\n=head3 $1\n";
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/^\@include\s+(.+)$/ and do {
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push @instack, $inf;
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$inf = gensym();
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# Try cwd and $ibase.
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open($inf, "<" . $1)
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or open($inf, "<" . $ibase . "/" . $1)
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or die "cannot open $1 or $ibase/$1: $!\n";
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next;
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};
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/^\@(?:section|unnumbered|unnumberedsec|center)\s+(.+)$/
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and $_ = "\n=head2 $1\n";
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/^\@subsection\s+(.+)$/
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and $_ = "\n=head3 $1\n";
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# Block command handlers:
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/^\@itemize\s+(\@[a-z]+|\*|-)/ and do {
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@ -214,7 +249,7 @@ while(<STDIN>)
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$endw = "itemize";
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};
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/^\@enumerate(?:\s+([A-Z0-9]+))?/ and do {
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/^\@enumerate(?:\s+([a-zA-Z0-9]+))?/ and do {
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push @endwstack, $endw;
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push @icstack, $ic;
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if (defined $1) {
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@ -226,19 +261,19 @@ while(<STDIN>)
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$endw = "enumerate";
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};
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/^\@table\s+(\@[a-z]+)/ and do {
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/^\@([fv]?table)\s+(\@[a-z]+)/ and do {
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push @endwstack, $endw;
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push @icstack, $ic;
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$ic = $1;
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$endw = $1;
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$ic = $2;
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$ic =~ s/\@(?:samp|strong|key|gcctabopt|env)/B/;
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$ic =~ s/\@(?:code|kbd)/C/;
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$ic =~ s/\@(?:dfn|var|emph|cite|i)/I/;
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$ic =~ s/\@(?:file)/F/;
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$_ = "\n=over 4\n";
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$endw = "table";
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};
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/^\@((?:small)?example)/ and do {
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/^\@((?:small)?example|display)/ and do {
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push @endwstack, $endw;
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$endw = $1;
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$shift = "\t";
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@ -251,12 +286,17 @@ while(<STDIN>)
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$_ = "\n=item $ic\<$1\>\n";
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} else {
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$_ = "\n=item $ic\n";
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$ic =~ y/A-Ya-y1-8/B-Zb-z2-9/;
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$ic =~ y/A-Ya-y/B-Zb-z/;
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$ic =~ s/(\d+)/$1 + 1/eg;
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}
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};
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$section .= $shift.$_."\n";
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}
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# End of current file.
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close($inf);
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$inf = pop @instack;
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}
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die "No filename or title\n" unless defined $fn && defined $tl;
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@ -284,13 +324,15 @@ sub postprocess
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local $_ = $_[0];
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# @value{foo} is replaced by whatever 'foo' is defined as.
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if (/\@value\{([a-zA-Z0-9_-]+)\}/) {
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if (! exists $defs{$1}) {
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print STDERR "Option $1 not define\n";
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while (m/(\@value\{([a-zA-Z0-9_-]+)\})/g) {
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if (! exists $defs{$2}) {
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print STDERR "Option $2 not defined\n";
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s/\Q$1\E//;
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} else {
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$value = $defs{$2};
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s/\Q$1\E/$value/;
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}
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}
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s/\@value\{([a-zA-Z0-9_-]+)\}/$defs{$1}/g;
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# Formatting commands.
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# Temporary escape for @r.
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@ -303,9 +345,6 @@ sub postprocess
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s/\@w\{([^\}]*)\}/S<$1>/g;
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s/\@(?:dmn|math)\{([^\}]*)\}/$1/g;
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# Handle @r inside bold.
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1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g;
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# Cross references are thrown away, as are @noindent and @refill.
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# (@noindent is impossible in .pod, and @refill is unnecessary.)
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# @* is also impossible in .pod; we discard it and any newline that
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@ -327,9 +366,11 @@ sub postprocess
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s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g;
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# Turn B<blah I<blah> blah> into B<blah> I<blah> B<blah> to
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# match Texinfo semantics of @emph inside @samp.
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# match Texinfo semantics of @emph inside @samp. Also handle @r
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# inside bold.
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s/</</g;
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s/>/>/g;
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1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g;
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1 while (s/B<([^<>]*)I<([^>]+)>/B<$1>I<$2>B</g);
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1 while (s/I<([^<>]*)B<([^>]+)>/I<$1>B<$2>I</g);
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s/[BI]<>//g;
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@ -372,4 +413,15 @@ sub add_footnote
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$sects{FOOTNOTES} .= $_[0];
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$sects{FOOTNOTES} .= "\n\n";
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}
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# stolen from Symbol.pm
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{
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my $genseq = 0;
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sub gensym
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{
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my $name = "GEN" . $genseq++;
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my $ref = \*{$name};
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delete $::{$name};
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return $ref;
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}
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}
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