593 lines
9.7 KiB
Perl
593 lines
9.7 KiB
Perl
#!/usr/bin/perl
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###
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### Quick usage: mdoc2man.pl < mdoc_manpage.8 > man_manpage.8
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###
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###
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### Copyright (c) 2001 University of Illinois Board of Trustees
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### Copyright (c) 2001 Mark D. Roth
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### All rights reserved.
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###
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### Redistribution and use in source and binary forms, with or without
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### modification, are permitted provided that the following conditions
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### are met:
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### 1. Redistributions of source code must retain the above copyright
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### notice, this list of conditions and the following disclaimer.
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### 2. Redistributions in binary form must reproduce the above copyright
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### notice, this list of conditions and the following disclaimer in the
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### documentation and/or other materials provided with the distribution.
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### 3. All advertising materials mentioning features or use of this software
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### must display the following acknowledgement:
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### This product includes software developed by the University of
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### Illinois at Urbana, and their contributors.
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### 4. The University nor the names of their
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### contributors may be used to endorse or promote products derived from
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### this software without specific prior written permission.
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###
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### THIS SOFTWARE IS PROVIDED BY THE TRUSTEES AND CONTRIBUTORS ``AS IS'' AND
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### ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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### ARE DISCLAIMED. IN NO EVENT SHALL THE TRUSTEES OR CONTRIBUTORS BE LIABLE
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### FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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### DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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### OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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### HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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### LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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### OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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### SUCH DAMAGE.
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###
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use strict;
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my ($name, $date, $id);
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my ($line);
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my ($optlist, $oldoptlist, $nospace, $enum, $synopsis);
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my ($reference, $block, $ext, $extopt, $literal);
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my (@refauthors, $reftitle, $refissue, $refdate, $refopt);
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$optlist = 0; ### 1 = bullet, 2 = enum, 3 = tag, 4 = item
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$oldoptlist = 0;
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$nospace = 0;
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$synopsis = 0;
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$reference = 0;
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$block = 0;
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$ext = 0;
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$extopt = 0;
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$literal = 0;
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while ($line = <STDIN>)
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{
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if ($line !~ /^\./)
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{
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print $line;
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print ".br\n"
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if ($literal);
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next;
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}
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$line =~ s/^\.//;
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next
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if ($line =~ m/\\"/);
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$line = ParseMacro($line);
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print($line)
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if (defined $line);
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}
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sub ParseMacro # ($line)
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{
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my ($line) = @_;
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my (@words, $retval, $option, $parens);
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@words = split(/\s+/, $line);
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$retval = '';
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$option = 0;
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$parens = 0;
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# print('@words = ', scalar(@words), ': ', join(' ', @words), "\n");
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while ($_ = shift @words)
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{
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# print "WORD: $_\n";
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next
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if (/^(Li|Pf)$/);
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if (/^Xo$/)
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{
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$ext = 1;
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$retval .= ' '
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if ($retval ne '' && $retval !~ m/[\n ]$/);
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next;
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}
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if (/^Xc$/)
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{
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$ext = 0;
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$retval .= "\n"
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if (! $extopt);
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last;
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}
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if (/^Bd$/)
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{
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$literal = 1
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if ($words[0] eq '-literal');
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$retval .= "\n";
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last;
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}
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if (/^Ed$/)
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{
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$literal = 0;
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last;
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}
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if (/^Ns$/)
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{
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$nospace = 1
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if (! $nospace);
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$retval =~ s/ $//;
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next;
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}
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if (/^No$/)
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{
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$retval =~ s/ $//;
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$retval .= shift @words;
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next;
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}
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if (/^Dq$/)
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{
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$retval .= '``';
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do
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{
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$retval .= (shift @words) . ' ';
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}
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while (@words > 0 && $words[0] !~ m/^[\.,]/);
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$retval =~ s/ $//;
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$retval .= '\'\'';
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$nospace = 1
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if (! $nospace && $words[0] =~ m/^[\.,]/);
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next;
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}
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if (/^(Sq|Ql)$/)
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{
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$retval .= '`' . (shift @words) . '\'';
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$nospace = 1
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if (! $nospace && $words[0] =~ m/^[\.,]/);
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next;
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}
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# if (/^Ic$/)
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# {
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# $retval .= '\\fB' . shift(@words) . '\\fP';
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# next;
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# }
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if (/^Oo$/)
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{
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# $retval .= "[\\c\n";
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$extopt = 1;
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$nospace = 1
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if (! $nospace);
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$retval .= '[';
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next;
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}
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if (/^Oc$/)
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{
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$extopt = 0;
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$retval .= ']';
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next;
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}
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$retval .= ' '
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if (! $nospace && $retval ne '' && $retval !~ m/[\n ]$/);
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$nospace = 0
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if ($nospace == 1);
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if (/^Dd$/)
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{
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$date = join(' ', @words);
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return undef;
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}
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if (/^Dt$/)
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{
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$id = join(' ', @words);
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return undef;
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}
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if (/^Os$/)
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{
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$retval .= '.TH '
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. $id
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. " \"$date\" \""
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. join(' ', @words)
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. "\"";
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last;
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}
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if (/^Sh$/)
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{
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$retval .= '.SH';
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if ($words[0] eq 'SYNOPSIS')
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{
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$synopsis = 1;
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}
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else
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{
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$synopsis = 0;
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}
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next;
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}
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if (/^Xr$/)
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{
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$retval .= '\\fB' . (shift @words) .
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'\\fP(' . (shift @words) . ')'
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. (shift @words);
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last;
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}
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if (/^Rs/)
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{
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@refauthors = ();
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$reftitle = '';
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$refissue = '';
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$refdate = '';
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$refopt = '';
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$reference = 1;
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last;
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}
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if (/^Re/)
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{
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$retval .= "\n";
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# authors
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while (scalar(@refauthors) > 1)
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{
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$retval .= shift(@refauthors) . ', ';
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}
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$retval .= 'and '
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if ($retval ne '');
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$retval .= shift(@refauthors);
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# title
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$retval .= ', \\fI' . $reftitle . '\\fP';
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# issue
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$retval .= ', ' . $refissue
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if ($refissue ne '');
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# date
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$retval .= ', ' . $refdate
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if ($refdate ne '');
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# optional info
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$retval .= ', ' . $refopt
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if ($refopt ne '');
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$retval .= ".\n";
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$reference = 0;
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last;
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}
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if ($reference)
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{
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if (/^%A$/)
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{
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unshift(@refauthors, join(' ', @words));
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last;
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}
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if (/^%T$/)
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{
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$reftitle = join(' ', @words);
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$reftitle =~ s/^"//;
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$reftitle =~ s/"$//;
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last;
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}
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if (/^%N$/)
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{
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$refissue = join(' ', @words);
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last;
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}
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if (/^%D$/)
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{
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$refdate = join(' ', @words);
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last;
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}
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if (/^%O$/)
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{
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$refopt = join(' ', @words);
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last;
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}
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}
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if (/^Nm$/)
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{
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my $n = $name;
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$n = shift @words
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if (@words > 0);
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$name = $n unless $name;
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$retval .= ".br\n"
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if ($synopsis);
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$retval .= "\\fB$n\\fP";
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$nospace = 1
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if (! $nospace && $words[0] =~ m/^[\.,]/);
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next;
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}
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if (/^Nd$/)
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{
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$retval .= '\\-';
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next;
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}
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if (/^Fl$/)
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{
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$retval .= '\\fB\\-' . (shift @words) . '\\fP';
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$nospace = 1
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if (! $nospace && $words[0] =~ m/^[\.,]/);
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next;
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}
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if (/^Ar$/)
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{
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$retval .= '\\fI';
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if (! defined $words[0])
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{
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$retval .= 'file ...\\fP';
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}
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else
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{
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$retval .= shift(@words) . '\\fP';
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while ($words[0] eq '|')
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{
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$retval .= ' ' . shift(@words);
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$retval .= ' \\fI' . shift(@words);
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$retval .= '\\fP';
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}
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}
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$nospace = 1
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if (! $nospace && $words[0] =~ m/^[\.,]/);
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next;
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}
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if (/^Cm$/)
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{
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$retval .= '\\fB' . (shift @words) . '\\fP';
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while ($words[0] =~ m/^[\.,:)]$/)
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{
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$retval .= shift(@words);
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}
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next;
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}
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if (/^Op$/)
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{
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$option = 1;
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$nospace = 1
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if (! $nospace);
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$retval .= '[';
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# my $tmp = pop(@words);
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# $tmp .= ']';
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# push(@words, $tmp);
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next;
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}
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if (/^Pp$/)
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{
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$retval .= "\n";
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next;
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}
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if (/^Ss$/)
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{
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$retval .= '.SS';
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next;
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}
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if (/^Pa$/ && ! $option)
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{
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$retval .= '\\fI';
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$retval .= '\\&'
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if ($words[0] =~ m/^\./);
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$retval .= (shift @words) . '\\fP';
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while ($words[0] =~ m/^[\.,:;)]$/)
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{
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$retval .= shift(@words);
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}
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# $nospace = 1
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# if (! $nospace && $words[0] =~ m/^[\.,:)]/);
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next;
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}
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if (/^Dv$/)
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{
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$retval .= '.BR';
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next;
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}
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if (/^(Em|Ev)$/)
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{
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$retval .= '.IR';
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next;
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}
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if (/^Pq$/)
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{
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$retval .= '(';
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$nospace = 1;
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$parens = 1;
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next;
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}
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if (/^(S[xy])$/)
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{
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$retval .= '.B ' . join(' ', @words);
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last;
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}
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if (/^Ic$/)
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{
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$retval .= '\\fB';
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while (defined $words[0]
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&& $words[0] !~ m/^[\.,]/)
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{
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if ($words[0] eq 'Op')
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{
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shift(@words);
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$retval .= '[';
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my $tmp = pop(@words);
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$tmp .= ']';
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push(@words, $tmp);
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next;
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}
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if ($words[0] eq 'Ar')
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{
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shift @words;
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$retval .= '\\fI';
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$retval .= shift @words;
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$retval .= '\\fP';
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}
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else
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{
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$retval .= shift @words;
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}
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$retval .= ' '
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if (! $nospace);
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}
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$retval =~ s/ $//;
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$retval .= '\\fP';
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$retval .= shift @words
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if (defined $words[0]);
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last;
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}
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if (/^Bl$/)
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{
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$oldoptlist = $optlist;
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if ($words[0] eq '-bullet')
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{
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$optlist = 1;
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}
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elsif ($words[0] eq '-enum')
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{
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$optlist = 2;
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$enum = 0;
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}
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elsif ($words[0] eq '-tag')
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{
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$optlist = 3;
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}
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elsif ($words[0] eq '-item')
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{
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$optlist = 4;
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}
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last;
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}
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if (/^El$/)
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{
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$optlist = $oldoptlist;
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next;
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}
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if ($optlist && /^It$/)
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{
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if ($optlist == 1)
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{
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# bullets
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$retval .= '.IP \\(bu';
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next;
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}
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if ($optlist == 2)
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{
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# enum
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$retval .= '.IP ' . (++$enum) . '.';
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next;
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}
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if ($optlist == 3)
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{
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# tags
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$retval .= ".TP\n";
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if ($words[0] =~ m/^(Pa|Ev)$/)
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{
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shift @words;
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$retval .= '.B';
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}
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next;
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}
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if ($optlist == 4)
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{
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# item
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$retval .= ".IP\n";
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next;
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}
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next;
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}
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if (/^Sm$/)
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{
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if ($words[0] eq 'off')
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{
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$nospace = 2;
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}
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elsif ($words[0] eq 'on')
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{
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# $retval .= "\n";
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$nospace = 0;
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}
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shift @words;
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next;
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}
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$retval .= "$_";
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}
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return undef
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if ($retval eq '.');
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$retval =~ s/^\.([^a-zA-Z])/$1/;
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# $retval =~ s/ $//;
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$retval .= ')'
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if ($parens == 1);
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$retval .= ']'
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if ($option == 1);
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# $retval .= ' '
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# if ($nospace && $retval ne '' && $retval !~ m/\n$/);
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# $retval .= ' '
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# if ($extended && $retval !~ m/ $/);
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$retval .= ' '
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if ($ext && ! $extopt && $retval !~ m/ $/);
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$retval .= "\n"
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if (! $ext && ! $extopt && $retval ne '' && $retval !~ m/\n$/);
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return $retval;
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}
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