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wakaba |
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=head1 NAME
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Message::MIME::Charset::Jcode --- Japanese Coding Systems Support
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with jcode.pl and/or Jcode.pm for Message::* Perl Modules
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=head1 DESCRIPTION
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Message::* therselves don't convert coding systems of parts of
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messages, but have mechanism to define to call external functions.
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This module provides such macros for Japanese coding systems,
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supported by jcode.pl and/or Jcode.pm.
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=cut
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package Message::MIME::Charset::Jcode;
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use strict;
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use vars qw(%CODE $VERSION);
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$VERSION=do{my @r=(q$Revision: 1.1 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
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require Message::Util;
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require Message::MIME::Charset;
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=head1 CODING SYSTEMS
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=over 4
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=item C<euc>
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Japanese EUC. (MIME: euc-jp)
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=item C<jis>
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7bit ISO/IEC 2022, so-called junet code. ASCII, JIS X 0201 Roman,
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JIS X 0201 Katakana, JIS X 0208, JIS X 0212 are supported by
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jcode.pl and Jcode.pm. ISO-2022-JP, ISO-2022-JP-1 are subsets of
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junet code.
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=item C<sjis>
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Shift JIS. (MIME: Shift_JIS)
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=item C<utf8>
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UTF-8. (MIME: UTF-8) This coding system is not supported by jcode.pl.
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=item C<ucs2>
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UCS-2 (or Unicode without surrogate pairs) big endian (network
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byte order). This coding system is not supported by jcode.pl.
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=back
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=head1 VARIABLES
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=over 4
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=item $Messag::MIME::Charset::Jcode::CODE{internal}
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Internal coding system. You can get strings written in this
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coding system from Message::* Perl modules. (Default: C<euc>)
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=item $Messag::MIME::Charset::Jcode::CODE{input}
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Coding system of input string. (Default: auto-detect)
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=item $Messag::MIME::Charset::Jcode::CODE{output}
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Coding system of output string. (Default: C<jis>)
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=back
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=cut
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$CODE{internal} = 'euc';
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$CODE{input} = '';
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$CODE{output} = 'jis';
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sub import ($;%) {
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shift;
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for (@_) {
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if ($_ eq 'jcode.pl') {
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require 'jcode.pl';
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Message::MIME::Charset::make_charset ('*default' =>
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encoder => sub { jcode::to ($CODE{output}, $_[1], $CODE{internal}) },
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decoder => sub { jcode::to ($CODE{internal}, $_[1], $CODE{input}) },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset ('iso-2022-jp' =>
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encoder => sub { jcode::jis ($_[1], $CODE{internal}) },
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decoder => sub { jcode::to ($CODE{internal}, $_[1], 'jis') },
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mime_text => 1,
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cte_7bit_preferred => 'base64',
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);
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Message::MIME::Charset::make_charset ('euc-jp' =>
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encoder => sub { jcode::euc ($_[1], $CODE{internal}) },
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decoder => sub { jcode::to ($CODE{internal}, $_[1], 'euc') },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset (shift_jis =>
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encoder => sub { jcode::sjis ($_[1], $CODE{internal}) },
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decoder => sub { jcode::to ($CODE{internal}, $_[1], 'sjis') },
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mime_text => 1,
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);
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} elsif ($_ eq 'Jcode' || $_ eq 'Jcode.pm') {
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require Jcode;
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Message::MIME::Charset::make_charset ('*default' =>
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## Very tricky:-)
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encoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{output}, $CODE{internal}); $s },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, $CODE{input}); $s },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset ('iso-2022-jp' =>
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encoder => sub { Jcode->new ($_[1], $CODE{internal})->iso_2022_jp },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, 'jis'); $s },
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mime_text => 1,
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cte_7bit_preferred => 'base64',
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);
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Message::MIME::Charset::make_charset ('euc-jp' =>
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encoder => sub { Jcode->new ($_[1], $CODE{internal})->euc },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, 'euc'); $s },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset (shift_jis =>
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encoder => sub { Jcode->new ($_[1], $CODE{internal})->sjis },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, 'sjis'); $s },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset ('utf-8' =>
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encoder => sub { Jcode->new ($_[1], $CODE{internal})->utf8 },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, 'utf8'); $s },
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mime_text => 1,
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);
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Message::MIME::Charset::make_charset ('ucs-2be' =>
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encoder => sub { Jcode->new ($_[1], $CODE{internal})->ucs2 },
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decoder => sub { my $s = $_[1]; Jcode::convert (\$s, $CODE{internal}, 'ucs2'); $s },
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);
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Message::MIME::Charset::make_charset ('ucs-2' => alias_of => 'ucs-2be');
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Message::MIME::Charset::make_charset ('utf-16' => alias_of => 'ucs-2');
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Message::MIME::Charset::make_charset ('utf-16be' => alias_of => 'ucs-2be');
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} else {
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Carp::croak "Jcode: $_: Module not supported";
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}
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Message::MIME::Charset::make_charset (jis => alias_of => 'iso-2022-jp');
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Message::MIME::Charset::make_charset ('iso-2022-jp-1' => alias_of => 'iso-2022-jp');
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Message::MIME::Charset::make_charset ('iso-2022-jp-3' => alias_of => 'iso-2022-jp');
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Message::MIME::Charset::make_charset ('x-iso-2022-jp-3' => alias_of => 'iso-2022-jp-3');
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Message::MIME::Charset::make_charset ('iso-2022-jp-3-plane1' => alias_of => 'iso-2022-jp-3');
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Message::MIME::Charset::make_charset (euc => alias_of => 'euc-jp');
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Message::MIME::Charset::make_charset (euc_jp => alias_of => 'euc-jp');
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Message::MIME::Charset::make_charset ('x-euc' => alias_of => 'euc-jp');
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Message::MIME::Charset::make_charset ('x-euc-jp' => alias_of => 'euc-jp');
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Message::MIME::Charset::make_charset ('euc-jisx0213' => alias_of => 'euc-jp');
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Message::MIME::Charset::make_charset ('x-euc-jisx0213' => alias_of => 'euc-jisx0213');
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Message::MIME::Charset::make_charset ('euc-jisx0213-plane1' => alias_of => 'euc-jisx0213');
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Message::MIME::Charset::make_charset (sjis => alias_of => 'shift_jis');
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Message::MIME::Charset::make_charset ('shift-jis' => alias_of => 'shift_jis');
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Message::MIME::Charset::make_charset ('x-sjis' => alias_of => 'shift_jis');
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Message::MIME::Charset::make_charset (shift_jisx0213 => alias_of => 'shift_jis');
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Message::MIME::Charset::make_charset ('shift-jisx0213' => alias_of => 'shift_jisx0213');
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Message::MIME::Charset::make_charset ('x-shift_jisx0213' => alias_of => 'shift_jisx0213');
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Message::MIME::Charset::make_charset ('x-shift-jisx0213' => alias_of => 'shift_jisx0213');
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Message::MIME::Charset::make_charset ('shift_jisx0213-plane1' => alias_of => 'shift_jisx0213');
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}
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}
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=head1 EXAMPLE
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## Uses jcode.pl. Input is euc-japan, output is junet.
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use Message::MIME::Charset::Jcode 'jcode.pl';
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## You don't have to do {require 'jcode.pl'}.
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$Message::MIME::Charset::Jcode::CODE{input} = 'euc';
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$Message::MIME::Charset::Jcode::CODE{output} = 'jis';
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require Message::Entity;
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#...
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## Uses Jcode.pm.
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use Message::MIME::Charset::Jcode 'Jcode';
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require Message::Entity;
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#...
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## Uses jcode.pl, but also Jcode.pm for Unicode encodings.
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## Internal code is UTF-8.
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use Message::MIME::Charset::Jcode 'Jcode';
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use Message::MIME::Charset::Jcode 'jcode.pl';
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$Message::MIME::Charset::Jcode::CODE{internal} = 'utf-8';
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require Message::Entity;
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#...
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=head1 SEE ALSO
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Message::MIME::Charset
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Message::Entity
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jcode.pl
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Jcode.pm
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=head1 LICENSE
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Copyright 2002 wakaba E<lt>[email protected]<gt>.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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=head1 CHANGE
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See F<ChangeLog>.
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$Date: 2002/03/21 04:33:44 $
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=cut
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1;
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Parent Directory
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Revision Log