392 lines
8.8 KiB
Ruby
Executable File
392 lines
8.8 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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###
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### mdoc2man - mdoc to man converter
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###
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### Quick usage: mdoc2man.rb < mdoc_manpage.8 > man_manpage.8
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###
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### Ported from Perl by Akinori MUSHA.
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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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### Copyright (c) 2002, 2003 Akinori MUSHA
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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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### $Id$
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###
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$name = $date = $id = nil
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$refauthors = $reftitle = $refissue = $refdate = $refopt = nil
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$optlist = 0 ### 1 = bullet, 2 = enum, 3 = tag, 4 = item
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$oldoptlist = 0
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$nospace = 0 ### 0, 1, 2
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$enum = 0
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$synopsis = true
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$reference = false
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$ext = false
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$extopt = false
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$literal = false
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def parse_macro(line)
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words = line.split
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retval = ''
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option = false
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parens = false
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while word = words.shift
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case word
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when 'Li', 'Pf'
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next
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when 'Xo'
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$ext = true
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retval << ' ' unless retval.empty? || /[\n ]\z/ =~ retval
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next
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when 'Xc'
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$ext = false
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retval << "\n" unless $extopt
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break
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when 'Bd'
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$literal = true if words[0] == '-literal'
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retval << "\n"
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break
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when 'Ed'
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$literal = false
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break
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when 'Ns'
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$nospace = 1 if $nospace == 0
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retval.chomp!(' ')
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next
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when 'No'
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retval.chomp!(' ')
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retval << words.shift
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next
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when 'Dq'
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retval << '``'
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begin
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retval << words.shift << ' '
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end until words.empty? || /^[\.,]/ =~ words[0]
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retval.chomp!(' ')
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retval << '\'\''
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$nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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when 'Sq', 'Ql'
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retval << '`' << words.shift << '\''
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$nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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# when 'Ic'
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# retval << '\\fB' << words.shift << '\\fP'
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# next
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when 'Oo'
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#retval << "[\\c\n"
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$extopt = true
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$nospace = 1 if $nospace == 0
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retval << '['
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next
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when 'Oc'
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$extopt = false
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retval << ']'
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next
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end
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retval << ' ' if $nospace == 0 && !(retval.empty? || /[\n ]\z/ =~ retval)
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$nospace = 0 if $nospace == 1
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case word
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when 'Dd'
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$date = words.join(' ')
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return nil
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when 'Dt'
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$id = words.join(' ')
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return nil
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when 'Os'
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retval << '.TH ' << $id << ' "' << $date << '" "' <<
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words.join(' ') << '"'
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break
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when 'Sh'
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retval << '.SH'
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$synopsis = (words[0] == 'SYNOPSIS')
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next
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when 'Xr'
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retval << '\\fB' << words.shift <<
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'\\fP(' << words.shift << ')' << words.shift
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break
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when 'Rs'
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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 = true
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break
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when 'Re'
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retval << "\n"
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# authors
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while @refauthors.size > 1
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retval << @refauthors.shift << ', '
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end
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retval << 'and ' unless retval.empty?
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retval << @refauthors.shift
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# title
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retval << ', \\fI' << $reftitle << '\\fP'
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# issue
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retval << ', ' << $refissue unless $refissue.empty?
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# date
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retval << ', ' << $refdate unless $refdate.empty?
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# optional info
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retval << ', ' << $refopt unless $refopt.empty?
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retval << ".\n"
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$reference = false
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break
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when 'Ux'
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retval << "UNIX"
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next
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end
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if $reference
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case word
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when '%A'
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@refauthors.unshift(words.join(' '))
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break
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when '%T'
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$reftitle = words.join(' ')
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$reftitle.sub!(/^"/, '')
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$reftitle.sub!(/"$/, '')
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break
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when '%N'
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$refissue = words.join(' ')
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break
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when '%D'
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$refdate = words.join(' ')
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break
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when '%O'
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$refopt = words.join(' ')
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break
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end
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end
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case word
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when 'Nm'
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name = words.empty? ? $name : words.shift
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$name ||= name
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retval << ".br\n" if $synopsis
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retval << "\\fB" << name << "\\fP"
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$nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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when 'Nd'
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retval << '\\-'
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next
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when 'Fl'
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retval << '\\fB\\-' << words.shift << '\\fP'
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$nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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when 'Ar'
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retval << '\\fI'
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if words.empty?
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retval << 'file ...\\fP'
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else
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retval << words.shift << '\\fP'
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while words[0] == '|'
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retval << ' ' << words.shift << ' \\fI' << words.shift << '\\fP'
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end
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$nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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end
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when 'Cm'
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retval << '\\fB' << words.shift << '\\fP'
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while /^[\.,:)]$/ =~ words[0]
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retval << words.shift
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end
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next
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when 'Op'
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option = true
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$nospace = 1 if $nospace == 0
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retval << '['
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# words.push(words.pop + ']')
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next
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when 'Pp'
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retval << "\n"
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next
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when 'Ss'
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retval << '.SS'
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next
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end
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if word == 'Pa' && !option
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retval << '\\fI'
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retval << '\\&' if /^\./ =~ words[0]
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retval << words.shift << '\\fP'
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while /^[\.,:;)]$/ =~ words[0]
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retval << words.shift
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end
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# $nospace = 1 if $nospace == 0 && /^[\.,]/ =~ words[0]
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next
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end
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case word
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when 'Dv'
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retval << '.BR'
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next
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when 'Em', 'Ev'
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retval << '.IR'
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next
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when 'Pq'
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retval << '('
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$nospace = 1
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parens = true
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next
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when 'Sx', 'Sy'
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retval << '.B ' << words.join(' ')
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break
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when 'Ic'
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retval << '\\fB'
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until words.empty? || /^[\.,]/ =~ words[0]
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case words[0]
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when 'Op'
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words.shift
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retval << '['
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words.push(words.pop + ']')
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next
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when 'Ar'
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words.shift
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retval << '\\fI' << words.shift << '\\fP'
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else
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retval << words.shift
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end
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retval << ' ' if $nospace == 0
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end
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retval.chomp!(' ')
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retval << '\\fP'
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retval << words.shift unless words.empty?
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break
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when 'Bl'
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$oldoptlist = $optlist
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case words[0]
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when '-bullet'
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$optlist = 1
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when '-enum'
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$optlist = 2
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$enum = 0
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when '-tag'
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$optlist = 3
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when '-item'
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$optlist = 4
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end
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break
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when 'El'
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$optlist = $oldoptlist
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next
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end
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if $optlist != 0 && word == 'It'
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case $optlist
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when 1
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# bullets
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retval << '.IP \\(bu'
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when 2
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# enum
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$enum += 1
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retval << '.IP ' << $enum << '.'
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when 3
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# tags
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retval << ".TP\n"
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case words[0]
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when 'Pa', 'Ev'
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words.shift
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retval << '.B'
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end
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when 4
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# item
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retval << ".IP\n"
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end
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next
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end
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case word
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when 'Sm'
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case words[0]
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when 'off'
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$nospace = 2
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when 'on'
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# retval << "\n"
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$nospace = 0
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end
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words.shift
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next
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end
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retval << word
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end
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return nil if retval == '.'
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retval.sub!(/\A\.([^a-zA-Z])/, "\\1")
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# retval.chomp!(' ')
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retval << ')' if parens
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retval << ']' if option
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# retval << ' ' unless $nospace == 0 || retval.empty? || /\n\z/ =~ retval
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retval << ' ' unless !$ext || $extopt || / $/ =~ retval
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retval << "\n" unless $ext || $extopt || retval.empty? || /\n\z/ =~ retval
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return retval
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end
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ARGF.each { |line|
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if /^\./ !~ line
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print line
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print ".br\n" if $literal
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next
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end
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line.slice!(0, 1)
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next if /\\"/ =~ line
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line = parse_macro(line) and print line
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}
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