--- suikawiki/script/wiki.cgi	2002/12/05 04:32:27	1.35
+++ suikawiki/script/wiki.cgi	2008/11/10 13:49:05	1.60
@@ -1,1905 +1,71 @@
 #!/usr/bin/perl
-#
-# wiki.cgi - This is YukiWiki, yet another Wiki clone.
-#
-# Copyright (C) 2000-2002 by Hiroshi Yuki.
-# <hyuki@hyuki.com>
-# http://www.hyuki.com/yukiwiki/
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the same terms as Perl itself.
-#
-# walwiki.cgi based on yukiwiki.cgi - Yet another WikiWikiWeb clone.
-
-# Walrus add (debug) start
-my $walrus_log;
-my $walrus_debugging = 0;
-# Walrus add (debug) end
-
-# Libraries.
 use strict;
-use lib qw(./WalWiki/lib);
-use CGI qw(:standard);
-use CGI::Carp qw(fatalsToBrowser);
-use Yuki::RSS;
-use Yuki::DiffText qw(difftext);
-use Yuki::YukiWikiDB;
-use AnyDBM_File;
-require 'jcode.pl';
-require Jcode;
-use Fcntl;
-my $version = '2.0.beta1.2002-05-29';
-my $walversion;
-##############################
-#
-# You MUST modify following '$modifier_...' variables.
-#
-my $modifier_mail = 'w@suika.fam.cx';	# Your mail address, like 'walrus@digit.que.ne.jp'.
-my $modifier_url  = 'http://suika.fam.cx/~wakaba/';	# Your web page, like 'http://digit.que.ne.jp/work/'.
-my $modifier_name = '和';	# Your name, like 'Makio Tsukamoto'.
-# my $modifier_dbtype = 'AnyDBM_File';  # Fast, not available on some server, page size limited.
-# my $modifier_dbtype = 'dbmopen';      # Fast, not available on some server, page size limited.
-my $modifier_dbtype = 'YukiWikiDB';     # Slow, available on all environment.
-# my $modifier_sendmail = '/usr/sbin/sendmail -t -n'; # Your sendmail.
-my $modifier_sendmail = ''; # If you don't need mail notification.
-my $modifier_dir_data = './wikidata'; # Your data directory.
-my $modifier_rss_title = "SuikaWiki $walversion";
-my $modifier_rss_link = 'http://suika.fam.cx/~wakaba/-temp/wiki2/wiki';	# Blank is not allowed.
-my $modifier_rss_description = 'This is SuikaWiki';
-##############################
-#
-# You MAY modify following variables.
-#
-$SuikaWiki::Plugin::plugin_directory = q(./SuikaWiki/Plugin/);
-my $file_touch = "$modifier_dir_data/touched.txt";
-my $file_resource = "$modifier_dir_data/resource.txt";
-my $file_FrontPage = "$modifier_dir_data/frontpage.txt";
-my $file_conflict = "$modifier_dir_data/conflict.txt";
-my $file_format = "$modifier_dir_data/format.txt";
-my $url_cgi = '/~wakaba/-temp/wiki/wiki';	## MUST be started from '/'
-my $url_stylesheet = $url_cgi.'?mycmd=TEXT_CSS;mypage=WikiHTMLStyle';
-my $icontag = '<img src="/icons/folder" alt="*" width="40" height="40" />';
-my $maxrecent = 50;
-my $cols = 80;
-my $rows = 20;
-##############################
-#
-# You MAY, but do NOT NEED modify following variables.
-# 
-my $dataname = "$modifier_dir_data/wiki";
-my $infoname = "$modifier_dir_data/info";
-my $diffname = "$modifier_dir_data/diff";
-my $editchar = '?';
-my $subject_delimiter = ' - ';
-my $use_autoimg = 1; # automatically convert image URL into <img> tag.
-my $use_exists = 0; # If you can use 'exists' method for your DB.
-##############################
-my $InterWikiName = 'InterWikiName';
-my $RecentChanges = 'RecentChanges';
-my $AdminChangePassword = 'AdminChangePassword';
-my $CompletedSuccessfully = 'CompletedSuccessfully';
-my $FrontPage = 'HomePage';
-my $IndexPage = 'IndexPage';
-my $SearchPage = 'SearchPage';
-my $CreatePage = 'CreatePage';
-my $ErrorPage = 'ErrorPage';
-my $RssPage = 'RssPage';
-my $NAME_OF_WikiPageLicense = 'WikiPageLicense';
-my $AdminSpecialPage = 'Admin Special Page'; # must include spaces.
-##############################
-my $bracket_name = '\[\[(\S+?)\]\]';
-my $embedded_name = '\[\[(#\S+?)\]\]';
-my %fmt;	## formatter objects
-##############################
-my $embed_comment = '[[#comment]]';
-my $embed_rcomment = '[[#rcomment]]';
-my $embed_comment_Name_Prompt = '名前:';
-my $DEFAULT_embed_comment_name = '名無しさん';
-my $embed_interwiki = '^\[\[#(box|text|password):(\S+)\]\]$';    # Walrus add (5)
-my %embed_command = (
-	searched	=> '^\[\[#searched:([^\]]+)\]\]$',
-    form => qw/\[\[\#form(?:\(([A-Za-z0-9-]+)\))?:'((?:[^'\\]|\\.)*)':'((?:[^'\\]|\\.)*)'(?::'((?:[^'\\]|\\.)*)')?\]\]/,
-);
-##############################
-my $info_LastModified = 'LastModified';
-my $info_IsFrozen = 'IsFrozen';
-my $info_AdminPassword = 'AdminPassword';
-##############################
-my $kanjicode = 'euc';
-my $charset = 'EUC-JP';
-my $lang = 'ja';
-my %fixedpage = (
-    $IndexPage => 1,
-    $CreatePage => 1,
-    $ErrorPage => 1,
-    $RssPage => 1,
-    $RecentChanges => 1,
-    $SearchPage => 1,
-    $AdminChangePassword => 1,
-    $CompletedSuccessfully => 1,
-    #$FrontPage => 1,
-    WikiUserAgentList => 1,
-    WikiPluginInfo    => 1,
-);
-my %form;
-my %database;
-my %infobase;
-my %diffbase;
-my %resource;
-my %interwiki;
-##############################
-my %page_command = (
-    $IndexPage => 'index',
-    $SearchPage => 'searchform',
-    $CreatePage => 'create',
-    $RssPage => 'rss',
-    $AdminChangePassword => 'adminchangepasswordform',
-    #$FrontPage => 'FrontPage',
-    WikiPluginInfo       => 'x_WikiPluginInfo',
-);
-my %command_do = (
-    read => \&do_read,
-    TEXT_CSS => \&do_output_css,
-    edit => \&do_edit,
-    adminedit => \&do_adminedit,
-    adminchangepasswordform => \&do_adminchangepasswordform,
-    adminchangepassword => \&do_adminchangepassword,
-    write => \&do_write,
-    index => \&do_index,
-    searchform => \&do_searchform,
-    search => \&do_search,
-    create => \&do_create,
-    createresult => \&do_createresult,
-    FrontPage => \&do_FrontPage,
-    comment => \&do_comment,
-    RandomJump	=> \&do_random_jump,
-    rss => \&do_rss,
-    diff => \&do_diff,
-    interwikibox => \&do_interwiki_box, # Walrus add (5)
-    wikiform => \&do_wikiform,
-    x_WikiPluginInfo  => \&do_wikiplugininfo,
-);
-##############################
-my $walversion = '2.0.beta1.wal.1';          # Walrus add (1)
-##############################
-# &test_convert;
-my $UA = '';  ## User agent name
-##############################
-
-sub main {
-    $UA = $main::ENV{HTTP_USER_AGENT};
-    &init_resource;
-    &open_db;
-    &init_form;
-    &init_InterWikiName;
-    if ($command_do{$form{mycmd}}) {
-        &{$command_do{$form{mycmd}}};
-    } else {
-        &do_FrontPage;
-    }
-    &close_db;
-}
-
-sub do_read {
-  my $content = $database{$form{mypage}};
-  my $lm = &get_info($form{mypage}, $info_LastModified);
-  wiki::referer::add ($form{mypage}, $ENV{HTTP_REFERER});
-  wiki::useragent::add ($ENV{HTTP_USER_AGENT});
-  my ($r, $c) = get_search_result ($form{mypage});
-  my $rl = wiki::referer::list_html ($form{mypage});
-  my @toc;
-  push @toc, qq(-<a href="#wikipage-see-also">See Also</a>) if $c;
-  push @toc, qq(-<a href="#wikipage-referer">参照元</a>) if $rl;
-    my $cf = 'SuikaWiki/0.9';
-    ## Should be support at least:
-    ## - 'SuikaWiki/0.9' CRLF
-    ## - 'H2H/' ("0.9" / "1.0" / "1.1") CRLF
-    ## - "/*" WSP* 'W3C-CSS/' ("1.0" / "2.0") "*/" CRLF
-    $cf = $1 if $content =~ s#^(?:/\*\s*|[\#<]\?)?([A-Z][A-Za-z0-9-]+/[0-9.]+(?:[^0-9.\x0D\x0A][^\x0D\x0A]*)?)[\x0D\x0A]+##s;
-    if ($cf =~ m!^(?:\#\?)?SuikaWiki/0.9(?:$|\s)!) {
-      &print_header ($form{mypage}, -last_modified => $lm,
-        -content_format => $cf, -noindex => $cf =~ /obsoleted="yes"/);
-      &print_content ($content, content_format => $cf, last_modified => $lm,
-        -toc => \@toc);
-      print &text_to_html (q([[#comment]])) if $cf !~ /obsoleted="yes"/ && !$fixedpage{$form{mypage}};
-    } else {
-      &print_header($form{mypage}, -last_modified => $lm);
-      print "<pre>@{[&escape($content)]}</pre>";
-    }
-    if ($c) {
-      print qq{<h2 @{[&id_and_name('wikipage-see-also')]}>See also</h2>};
-      print $r;
-    }
-    if ($rl) {
-      print qq(<div @{[&id_and_name('wikipage-referer')]}><h2>参照元</h2>\n$rl</div>\n);
-    }
-  &print_footer($form{mypage}, $lm);
-}
-
-sub do_output_css {
-  my $content = $database{$form{mypage}};
-  if ($content =~ m#^\s*/\*\s*W3C-CSS#) {
-    my $lm = &get_info($form{mypage}, $info_LastModified);
-    print "Content-Type: text/css; charset=$charset\n";
-    print "Last-Modified: $lm\n";
-    print "\n";
-    print $content;
-  } else {
-    print "Status: 406 Unsupported Media Type\n";
-    &print_header('WikiPageIsNotCSS', -noindex => 1);
-    &print_content($database{WikiPageIsNotCSS});
-    &print_footer('WikiPageIsNotCSS');
-  }
-}
-
-sub id_and_name ($) {
-    my $name = shift;
-    if ($UA =~ m#Mozilla/[12]\.#) {
-      qq{id="$name"><a name="$name"></a};
-    } else {
-	qq{id="$name"};
-    }
-}
-
-sub do_edit {
-    my ($page) = &unarmor_name(&armor_name($form{mypage}));
-    &print_header($page, -noindex => 1);
-    if (not &is_editable($page)) {
-        &print_message($resource{cantchange});
-    } elsif (&is_frozen($page)) {
-        &print_message($resource{cantchange});
-    } else {
-        &print_editform($database{$page}, &get_info($page, $info_LastModified), admin=>0);
-    }
-    wiki::referer::add ($form{mypage}, $ENV{HTTP_REFERER});
-    wiki::useragent::add ($ENV{HTTP_USER_AGENT});
-    my ($r, $c) = get_search_result ($form{mypage});
-    my $rl = wiki::referer::list_html ($form{mypage});
-    if ($c) {
-      print q{<h2 id="wikipage-see-also">See also</h2>};
-      print $r;
-    }
-    if ($rl) {
-      print qq(<div id="wikipage-referer"><h2>参照元</h2>\n$rl</div>\n);
-    }
-    &print_footer($page);
-}
-
-sub do_adminedit {
-    my ($page) = &unarmor_name(&armor_name($form{mypage}));
-    &print_header($page, -noindex => 1);
-    if (not &is_editable($page)) {
-        &print_message($resource{cantchange});
-    } else {
-        &print_message($resource{passwordneeded});
-        &print_editform($database{$page}, &get_info($page, $info_LastModified), admin=>1);
-    }
-    &print_footer($page);
-}
-
-sub do_adminchangepasswordform {
-    &print_header($AdminChangePassword, -noindex => 1);
-    &print_passwordform;
-    &print_footer($AdminChangePassword);
-}
-
-sub do_adminchangepassword {
-    if ($form{mynewpassword} ne $form{mynewpassword2}) {
-        &print_error($resource{passwordmismatcherror});
-    }
-    my ($validpassword_crypt) = &get_info($AdminSpecialPage, $info_AdminPassword);
-    if ($validpassword_crypt) {
-        if (not &valid_password($form{myoldpassword})) {
-            &send_mail_to_admin(<<"EOD", "AdminChangePassword");
-myoldpassword=$form{myoldpassword}
-mynewpassword=$form{mynewpassword}
-mynewpassword2=$form{mynewpassword2}
-EOD
-            &print_error($resource{passworderror});
-        }
-    }
-    my ($sec, $min, $hour, $day, $mon, $year, $weekday) = localtime(time);
-    my (@token) = ('0'..'9', 'A'..'Z', 'a'..'z');
-    my $salt1 = $token[(time | $$) % scalar(@token)];
-    my $salt2 = $token[($sec + $min*60 + $hour*60*60) % scalar(@token)];
-    my $crypted = crypt($form{mynewpassword}, "$salt1$salt2");
-    &set_info($AdminSpecialPage, $info_AdminPassword, $crypted);
-
-    &print_header($CompletedSuccessfully, -noindex => 1);
-    &print_message($resource{passwordchanged});
-    &print_footer($CompletedSuccessfully);
-}
-
-sub do_index {
-    &print_header($IndexPage);
-    print qq(<ul>);
-    foreach my $page (sort keys %database) {
-        if (&is_editable($page)) {
-            print qq(<li><a href="$url_cgi?@{[&encode($page)]}">@{[&escape($page)]}</a>@{[&escape(&get_subjectline($page))]}</li>);
-            # print qq(<li>@{[&get_info($page, $info_IsFrozen)]}</li>);
-            # print qq(<li>@{[0 + &is_frozen($page)]}</li>);
-        }
-    }
-    print qq(</ul>);
-    &print_footer($IndexPage);
-}
-
-sub do_write {
-    if (&frozen_reject()) {
-        return;
-    }
-
-    if (not &is_editable($form{mypage})) {
-        &print_header($form{mypage}, -noindex => 1);
-        &print_message($resource{cantchange});
-        &print_footer($form{mypage});
-        return;
-    }
-
-    if (&conflict($form{mypage}, $form{mymsg})) {
-        return;
-    }
-
-    # Making diff
-    {
-        &open_diff;
-        my @msg1 = split(/\n/, $database{$form{mypage}});
-        my @msg2 = split(/\n/, $form{mymsg});
-        $diffbase{$form{mypage}} = &difftext(\@msg1, \@msg2);
-        &close_diff;
-    }
-
-    if ($form{mymsg}) {
-        $database{$form{mypage}} = $form{mymsg};
-        &send_mail_to_admin($form{mypage}, "Modify");
-        if ($form{mytouch}) {
-            &set_info($form{mypage}, $info_LastModified, '' . localtime);
-            &update_recent_changes;
-        }
-        &set_info($form{mypage}, $info_IsFrozen, 0 + $form{myfrozen});
-	my $fragment;
-	if ($form{__comment_anchor_index}) {
-	    $fragment = qq(anchor-$form{__comment_anchor_index});
-	} elsif ($form{__wikiform_anchor_index}) {
-	    $fragment = qq(wikiform-$form{__wikiform_anchor_index});
-	}
-        &print_header($CompletedSuccessfully, -noindex => 1, -goto => $url_cgi.'?mycmd=read;mypage='.&encode($form{mypage}).qq(;x-param=@{[time.[0..9]->[rand 10]]}).($fragment?'#'.$fragment:''));
-        &print_message($resource{saved});
-        &print_content("$resource{continuereading} @{[&armor_name($form{mypage})]}");
-        &print_footer($CompletedSuccessfully);
-    } else {
-        &send_mail_to_admin($form{mypage}, "Delete");
-        delete $database{$form{mypage}};
-        delete $infobase{$form{mypage}};
-        if ($form{mytouch}) {
-            &update_recent_changes;
-        }
-        &print_header($form{mypage}, -noindex => 1);
-        &print_message($resource{deleted});
-        &print_footer($form{mypage});
-    }
-}
-
-sub do_searchform {
-    &print_header($SearchPage);
-    &print_searchform("");
-    &print_footer($SearchPage);
-}
-
-sub do_search {
-    my $word = $form{mymsg};
-    &print_header($SearchPage);
-    &print_searchform(&escape($word));
-    print scalar get_search_result ($word, -output_not_found => 1, -match_myself => 1);
-    &print_footer($SearchPage);
-}
-
-sub get_search_result ($;%) {
-  my $word = lc shift;
-  my %option = @_;
-  my @r;
-  foreach my $page (keys %database) {
-    next if $page eq $RecentChanges || ($page eq $word && !$option{-match_myself});
-    my $content = $database{$page};
-    my $cf = 'SuikaWiki/0.9';
-    $cf = $1 if $content =~ s/^\#\?([^\x0A\x0D]+)//s;
-    next if $cf =~ /obsoleted="yes"/;
-    if (index (lc $page, $word) > -1) {
-      my $c = $content =~ s/\Q$word\E//gi;
-      push @r, [$page, $c+20];
-    } elsif (index ($word, lc $page) > -1) {
-      my $c = $content =~ s/\Q$word\E//gi;
-      push @r, [$page, $c+10];
-    } elsif (my $c = $content =~ s/\Q$word\E//gi) {
-      push @r, [$page, $c];
-    }
-  }
-  my $em = sub { my $s = shift; $s =~ s#(\Q$word\E)#<em>$1</em>#gi; $s };
-  my $r = join "\n", map {qq(<li>[$_->[1]] <a href ="$url_cgi?@{[&encode($_->[0])]}" class="wiki">@{[&$em(&escape($_->[0]))]}</a> <span class="wikipage-summary">@{[&$em(&escape(&get_subjectline($_->[0])))]}</span></li>)} sort {$b->[1] <=> $a->[1] || $a->[0] cmp $b->[0]} @r;
-  $r = qq|<ul class="search-result">$r</ul>| if $r;
-  get_message ($resource{notfound}) if @r == 0 && $option{-output_not_found};
-  wantarray? ($r, scalar @r): $r;
-}
-
-sub do_create {
-    &print_header($CreatePage);
-    print <<"EOD";
-<form action="$url_cgi" method="post">
-    <input type="hidden" name="mycmd" value="edit">
-    <strong>$resource{newpagename}</strong><br>
-    <input type="text" name="mypage" value="" size="20">
-    <input type="submit" value="$resource{createbutton}"><br>
-</form>
-EOD
-    &print_footer($CreatePage);
-}
-
-sub do_random_jump {
-  my @list = keys %database;
-  my $name = &encode ($list[rand @list]);
-  my ($scheme) = 'http';
-  $scheme = $1 if $main::ENV{SERVER_PROTOCOL} =~ m#([A-Za-z0-9+.%-]+)#;
-  print "Location: $scheme://$main::ENV{SERVER_NAME}:$main::ENV{SERVER_PORT}$url_cgi?$name\n";
-  print "\n";
-}
-
-sub do_FrontPage {
-    open(FILE, $file_FrontPage) or &print_error("($file_FrontPage)");
-    my $content = join('', <FILE>);
-    &code_convert(\$content, $kanjicode);
-    close(FILE);
-    &print_header($FrontPage);
-    &print_content($content);
-    &print_footer($FrontPage);
-}
-
-sub print_error {
-    my ($msg) = @_;
-    &print_header($ErrorPage, -noindex => 1);
-    print qq(<p><strong class="error">$msg</strong></p>);
-    &print_footer($ErrorPage);
-    exit(0);
-}
-
-sub print_header ($;%) {
-    my ($page, %option) = @_;
-    my $bodyclass = "normal";
-    if (&is_frozen($page) and $form{mycmd} =~ /^(read|write)$/) {
-        $bodyclass = "frozen";
-    }
-    $bodyclass .= " wiki-page-obsoleted" if $option{-content_format} =~ /obsoleted="yes"/;
-    if ($option{-goto}) {
-      if ($UA =~ m#Mozilla/[12]\.|Opera#) {
-	  $option{-goto} =~ tr/;/&/;
-	  print qq{Refresh: 0; url=$option{-goto}\n};
-	  $option{-goto} = qq(<meta http-equiv="refresh" content="0; url=$option{-goto}">);
-      } else {
-	  print qq{Refresh: 0; url="$option{-goto}"\n};
-	  $option{-goto} = qq(<meta http-equiv="refresh" content="0; url=&quot;@{[&escape($option{-goto})]}&quot;">);
-      }
-    }
-    print qq{Last-Modified: $option{-last_modified}\n} if $option{-last_modified};
-    my $meta_ct = '';
-    if ($UA =~ m#Mozilla/2#) {
-	$meta_ct = qq{text/html; charset=@{[&x_charset($charset)]}};
-	print qq{Content-Type: $meta_ct\n};
-	$meta_ct = qq{<meta http-equiv="content-type" content="$meta_ct">};
-    } else {
-	print qq{Content-Type: text/html; charset=$charset\n};
-    }
-    my $cookedpage = &encode($page);
-    my $escapedpage = &escape($page);
-    print <<"EOD";
-Content-Language: $lang
-Content-Style-Type: text/css
-
-<!--
-<!DOCTYPE html
-    PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
-    "http://www.w3.org/TR/html4/loose.dtd"> + RUBY -->
-<html lang="$lang">
-<head>
-    $meta_ct$option{-goto}
-    <title>$escapedpage</title>
-    <link rel="index" href="$url_cgi?$IndexPage">
-    <link rel="help" href="$url_cgi?WikiHelp">
-    <link rel="copyright" href="$url_cgi?$NAME_OF_WikiPageLicense">
-    <link rel="stylesheet" type="text/css" href="@{[&escape($url_stylesheet)]}">
-    @{[$option{-noindex} ? q(<meta name="ROBOTS" content="NOINDEX">) : '']}
-</head>
-<body class="$bodyclass">
-EOD
-  &print_navigate_links ($page);
-  print <<EOD;
-<h1 class="header">@{[&escape($page)]}</h1>
-EOD
-}
-
-sub x_charset ($) {
-    my $charset = lc shift;
-    if ($charset eq 'euc-jp') {
-	$charset = 'x-euc-jp';
-    } elsif ($charset eq 'shift_jis') {
-	$charset = 'x-sjis';
-    }
-    $charset;
-}
-
-sub print_navigate_links (@) {
-  my ($page) = @_;
-    my $editable = 0;
-    my $admineditable = 0;
-    if (&is_frozen($page) and $form{mycmd} =~ /^(read|write)$/) {
-        $editable = 0;
-        #$admineditable = 1;
-    } elsif (&is_editable($page) and $form{mycmd} =~ /^(read|write)$/) {
-        #$admineditable = 1;
-        $editable = 1;
-    } else {
-        $editable = 0;
-    }
-    my $cookedpage = &encode($page);
-  print <<EOH;
-<div class="tools">
-    @{[ $admineditable
-        ? qq(<a title="$resource{admineditthispage}" href="$url_cgi?mycmd=adminedit;mypage=$cookedpage">$resource{admineditbutton}</a> | )
-        : qq()
-    ]}
-    @{[ $editable
-        ? #qq(<a title="$resource{editthispage}" href="$url_cgi?mycmd=edit;mypage=$cookedpage" accesskey="E">$resource{editbutton} <kbd>E</kbd></a> | )
-        qq(<a title="$resource{editthispage}" href="$url_cgi?mycmd=edit;mypage=$cookedpage" accesskey="E">編集</a> | )
-        : qq()
-    ]}
-    <a href="$url_cgi?mycmd=read;mypage=$cookedpage;x-param=@{[time.[0..9]->[rand 10]]}">表示</a> | 
-    @{[ $admineditable
-        ? qq(<a href="$url_cgi?mycmd=diff;mypage=$cookedpage">$resource{diffbutton}</a> | )
-        : qq()
-    ]}
-    <a href="$url_cgi?$CreatePage" class="wiki">新規</a> | 
-    <a href="$url_cgi?$IndexPage" class="wiki">$resource{indexbutton}</a> | 
-    <a href="$url_cgi?$FrontPage" class="wiki">首頁</a> | 
-    <a href="$url_cgi?$SearchPage" class="wiki">$resource{searchbutton}</a> | 
-    <a href="$url_cgi?mycmd=RandomJump;x-param=@{[time.[0..9]->[rand 10]]}" class="wiki randomlink">どこか</a> | 
-    <a href="$url_cgi?$RecentChanges" class="wiki">最新</a>
-</div>
-EOH
-<<EOH;	## temp
-    <a href="$url_cgi?$CreatePage" class="wiki">$resource{createbutton}</a> | 
-    <a href="$url_cgi?$IndexPage" class="wiki">$resource{indexbutton}</a> | 
-<!--    <a href="$url_cgi?$RssPage" class="wiki">$resource{rssbutton}</a> | -->
-    <a href="$url_cgi?$FrontPage" class="wiki">$FrontPage</a> | 
-    <a href="$url_cgi?$SearchPage" class="wiki">$resource{searchbutton}</a> | 
-    <a href="$url_cgi?mycmd=RandomJump;x-param=@{[time.[0..9]->[rand 10]]}" class="wiki randomlink">どこか</a> | 
-    <a href="$url_cgi?$RecentChanges" class="wiki">$resource{recentchangesbutton}</a>
-</div>
-EOH
-}
-
-sub print_footer {
-    my ($page, $lm) = @_;
-    my $epage = &encode ($page);
-    $walrus_log = ($walrus_debugging) ? &text_to_html("----\n$walrus_log") : '';    # Walrus add (debug)
-    # Walrus mod (1) start
-  my $cvslog1 = q$Revision: 1.35 $;
-  my $cvslog2 = q$Date: 2002/12/05 04:32:27 $;
-  print_navigate_links ($page);
-  print <<"EOD";
-@{[ $lm ? qq(<div id="wikipage-last-modified">Last modified: $lm</div>) : '' ]}
-<div class="footer">
-<a href="http://www.hyuki.com/yukiwiki/" title="$version &copy; 2000-2002 by Hiroshi Yuki">YukiWiki</a> <a href="http://digit.que.ne.jp/work/" title="$walversion &copy; 2000-2002 by Makio Tsukamoto">WalWiki</a>
-<a href="/gate/cvs/wakaba/wiki/" title="CVS Repository of this script ($cvslog2)">SuikaWiki $cvslog1</a>
-<div class="navigation">
-[<a href="/" title="このサーバーの首頁">/</a>
-<a href="/map" title="このサーバーの案内">地図</a>
-<a href="/search/" title="このサーバーの検索">検索</a>]
-</div>
-<div class="myuri">
-    &lt;<a href="$url_cgi?$epage">$url_cgi?$epage</a>&gt;
-</div>
-</div>
-$walrus_log
-</body>
-</html>
-EOD
-}
-
-sub escape {
-    my $s = shift;
-    $s =~ s|\r\n|\n|g;
-    $s =~ s|&|&amp;|g;
-    $s =~ s|<|&lt;|g;
-    $s =~ s|>|&gt;|g;
-    $s =~ s|"|&quot;|g;
-    return $s;
-}
-
-sub unescape {
-    my $s = shift;
-    # $s =~ s|\n|\r\n|g;
-    $s =~ s|&lt;|<|g;
-    $s =~ s|&gt;|>|g;
-    $s =~ s|&quot;|"|g;
-    $s =~ s|&amp;|&|g;
-    return $s;
-}
-
-sub print_content ($;$) {
-    my ($rawcontent, %option) = @_;
-    print &text_to_html($rawcontent, toc=>1, %option);
-}
-
-sub text_to_html {
-    my ($txt, %option) = @_;
-    my (@txt) = split(/\n/, $txt);
-    my @toc;
-    my @toc2 = @{$option{-toc}||[]};
-    my $tocnum = 0;
-    my (@saved, @result);
-    unshift(@saved, "</p>");
-    push(@result, "<p>");
-    foreach (@txt) {
-        chomp;
-        if (/^\*\*\*\*\*([^\x0D\x0A]*)/) {
-            push(@toc, qq(----- <a href="#i$tocnum">@{[&escape($1)||$tocnum]}</a>\n));
-            push(@result, splice(@saved), qq(<h6 id="i$tocnum">) . &inline($1) . '</h6>');
-            $tocnum++;
-        } elsif (/^\*\*\*\*([^\x0D\x0A]*)/) {
-            push(@toc, qq(---- <a href="#i$tocnum">@{[&escape($1)||$tocnum]}</a>\n));
-            push(@result, splice(@saved), qq(<h5 id="i$tocnum">) . &inline($1) . '</h5>');
-            $tocnum++;
-        } elsif (/^\*\*\*([^\x0D\x0A]*)/) {
-            push(@toc, qq(--- <a href="#i$tocnum">@{[&escape($1)||$tocnum]}</a>\n));
-            push(@result, splice(@saved), qq(<h4 id="i$tocnum">) . &inline($1) . '</h4>');
-            $tocnum++;
-        } elsif (/^\*\*([^\x0D\x0A]*)/) {
-        # if (/^\*\*(.*)/) {
-        # Walrus mod (6) end
-            push(@toc, qq(-- <a href="#i$tocnum">@{[&escape($1)||$tocnum]}</a>\n));
-            push(@result, splice(@saved), qq(<h3><a name="i$tocnum"> </a>) . &inline($1) . '</h3>');
-            $tocnum++;
-        } elsif (/^\*([^\x0D\x0A]*)/) {
-            push(@toc, qq(- <a href="#i$tocnum">@{[&escape($1)||$tocnum]}</a>\n));
-            push(@result, splice(@saved), qq(<h2><a name="i$tocnum"> </a>) . &inline($1) . '</h2>');
-            $tocnum++;
-        } elsif (/^(={1,6})(.*)/) {
-            &back_push('ol', length($1), \@saved, \@result);
-            push(@result, '<li>' . &inline($2) . '</li>');
-        } elsif (/^(-{1,6})(.*)/) {
-          &back_push('ul', length($1), \@saved, \@result);
-          my ($pf, $l) = ('', $2);
-          if (!$main::_EMBEDED && $l =~ s/^\s*\[([0-9]+)\]//) {
-            my $num = 0+$1;
-            $pf = qq(<a name="anchor-$num" id="anchor-$num" class="anchor">[$num]</a>);
-          }
-          push(@result, '<li>' . $pf . &inline ($l) . '</li>');
-        } elsif (/^:([^:]+):(.*)/) {
-            &back_push('dl', 1, \@saved, \@result);
-            push(@result, '<dt>' . &inline($1) . '</dt>', '<dd>' . &inline($2) . '</dd>');
-        } elsif (/^(?!>>\d)(>{1,5})(.*)/) {
-            &back_push('blockquote', length($1), \@saved, \@result);
-            push @result, "<p>";
-            push(@result, &inline($2));
-            unshift @saved, "</p>";
-        } elsif (/^\s*$/) {
-            push(@result, splice(@saved));
-            push(@result, "<p>");
-            unshift(@saved, "</p>");
-        } elsif (/^(\s+.*)$/) {
-            &back_push('pre', 1, \@saved, \@result);
-            #push(@result, &escape($1)); # Not &inline, but &escape
-            push(@result, &inline($1));
-#       } elsif (/^\,(.*)$/) {             # Walrus del (BF)
-        } elsif (/^\,(.*?)[\x0D\x0A]*$/) { # Walrus add (BF)
-            &back_push('table', 1, \@saved, \@result, ' border="1"');
-            #######
-            # This part is taken from Mr. Ohzaki's Perl Memo and Makio Tsukamoto's WalWiki.
-            # XXXXX
-            my $tmp = "$1,";
-            my @value = map {/^"(.*)"$/ ? scalar($_ = $1, s/""/"/g, $_) : $_} ($tmp =~ /("[^"]*(?:""[^"]*)*"|[^,]*),/g);
-            my @align = map {(s/^\s+//) ? ((s/\s+$//) ? ' align="center"' : ' align="right"') : ''} @value;
-            my @colspan = map {($_ eq '==') ? 0 : 1} @value;
-            for (my $i = 0; $i < @value; $i++) {
-                if ($colspan[$i]) {
-                    while ($i + $colspan[$i] < @value and $value[$i + $colspan[$i]] eq '==') {
-                        $colspan[$i]++;
-                    }
-                    $colspan[$i] = ($colspan[$i] > 1) ? sprintf(' colspan="%d"', $colspan[$i]) : '';
-                    $value[$i] = sprintf('<td%s%s>%s</td>', $align[$i], $colspan[$i], &inline($value[$i]));
-                } else {
-                    $value[$i] = '';
-                }
-            }
-            push(@result, join('', '<tr>', @value, '</tr>'));
-            # XXXXX
-            #######
-        } elsif (/^\[(INS|DEL|PRE)\[\s*$/) {
-            push @result, splice (@saved), '<'.lc($1).'>';
-            unshift @saved, "</p>";
-            push @result, "<p>";
-        } elsif (/^\](INS|DEL|PRE)\]\s*$/) {
-            push @result, splice (@saved), '</'.lc($1).'>';
-        } elsif (/^\[([0-9]+)\](.*)$/ && !$main::_EMBEDED) {
-          my $num = 0+$1;
-          push @result, qq(<a name="anchor-$num" id="anchor-$num" class="anchor">[$num]</a>);
-          push @result, &inline ($2);
-        } else {
-            push(@result, &inline($_));
-        }
-    }
-    push(@result, splice(@saved));
-    
-    my $toc = '';
-    if ($option{toc}) {
-        # Convert @toc (table of contents) to HTML.
-        # This part is taken from Makio Tsukamoto's WalWiki.
-        my (@tocsaved, @tocresult);
-        foreach (@toc,@toc2) {
-            if (/^(-{1,6})(.*)$/) {
-                &back_push('ul', length($1), \@tocsaved, \@tocresult);
-                push(@tocresult, '<li>' . $2 . '</li>');
-            }
-        }
-        push(@tocresult, splice(@tocsaved));
-        $toc = join("\n", @tocresult);
-        $toc = $toc ? qq(<div id="wikipage-toc">$toc</div>) : '';
-    }
-    $toc .= join("\n", @result);
-    $toc =~ s#<p>\n</p>##g;
-    $toc =~ s#[\x0D\x0A]+</#</#g;
-    $toc =~ s#<pre>\n#<pre>#g;
-    $toc;
-}
-
-sub back_push {
-    my ($tag, $level, $savedref, $resultref, $attr) = @_;
-    while (@$savedref > $level) {
-        push(@$resultref, shift(@$savedref));
-    }
-    if ($savedref->[0] ne "</$tag>") {
-        push(@$resultref, splice(@$savedref));
-    }
-    while (@$savedref < $level) {
-        unshift(@$savedref, "</$tag>");
-        push(@$resultref, "<$tag$attr>");
-    }
-}
-
-sub inline {
-    my ($line) = @_;
-    $line = &escape($line);
-    $line =~ s{$embed_command{form}}{&make_custom_form ($1, $2, $3, $4)}ge;
-    $line =~ s{\[(INS|DEL|SUP|SUB|VAR|CODE|KBD|SAMP|DFN)(?:\(([A-Za-z0-9\x20-]+)\))?\[(.+?)\]\]}{<@{[lc $1]}@{[$2 ? qq( class="$2") : '']}>$3</@{[lc $1]}>}g;
-    $line =~ s:\[(WEAK)\[(.+?)\]\]:<span class="@{[lc $1]}">$2</span>:g;
-    $line =~ s:\[ABBR\[([^]]+)\] \[([^]]+)\]\]:<acronym title="$2">$1</acronym>:g;
-    $line =~ s:\[RUBYB\[([^]]+)\] \[([^]]+)\] \[([^]]+)\]\]:<span class="ruby"><ruby class="rb"><rb>$1</rb><rp>(</rp><rt>$2</rt><rp>)</rp></ruby><span class="rp"> (</span><span class="rt-below">$3</span><span class="rp">) </span></span>:g;
-    $line =~ s:\[RUBY\[([^]]+)\] \[([^]]+)\]\]:<ruby><rb>$1</rb><rp>(</rp><rt>$2</rt><rp>)</rp></ruby>:g;
-    $line =~ s:\[RUBYB\[([^]]+)\] \[([^]]+)\]\]:<span class="ruby"><span class="rb">$1</span><span class="rp"> (</span><span class="rt-below">$2</span><span class="rp">) </span></span>:g;
-    $line =~ s%\[Q\[([^]]+)\](?: \[&lt;([\x21-\x5A\x5E-\x7E]+)&gt;\])?\]%「<q@{[$2?qq( cite="$2"):'']}>$1</q>」%g;
-    $line =~ s|'''([^']+)'''|<strong>$1</strong>|g;
-    $line =~ s|''([^']+)''|<em>$1</em>|g;
-    $line =~ s{
-      ((?:$bracket_name))	# [[likethis]], [[#comment]], [[Friend:remotelink]]
-      |\[\[([^[]+?)]&gt;&gt;([0-9]+)]	# [[WikiName]>>1]
-      |&gt;&gt;([0-9]+)
-      |&lt;([A-Za-z0-9%]+:(?:(?!&gt;).)+)&gt;
-    }{
-      my ($l, $page,$anchor, $anum, $uri) = ($1, $3,$4, 0+$5, $6);
-      if ($l) {
-        &make_link($l)
-      } elsif (defined $page) {
-        &make_wikilink ($page, anchor => 0+$anchor);
-      } elsif ($anum) {
-        qq(<a href="#anchor-$anum" class="wiki-anchor">&gt;&gt;$anum</a>);
-      } elsif ($uri) {
-        &make_urilink ($uri);
-      }
-    }gex;
-    return $line;
-}
-
-sub make_wikilink ($%) {
-  my ($ename, %option) = @_;
-  my $name = &unescape ($ename);
-  if ($database{$name}) {
-    my $subject = &escape (&get_subjectline ($name, delimiter => ''));
-    if ($option{anchor}) {
-      return qq(<a title="$subject" href="$url_cgi?@{[&encode($name)]}#anchor-$option{anchor}" class="wiki">$ename&gt;&gt;$option{anchor}</a>);
-    } else {
-      return qq(<a title="$subject" href="$url_cgi?@{[&encode($name)]}" class="wiki">$ename</a>);
-    }
-  } else {
-    return qq(<a title="$resource{editthispage}" href="$url_cgi?mycmd=edit;mypage=@{[&escape($name)]}" class="wiki not-exist">$ename<span class="mark">$editchar</span></a>);
-  }
-}
-
-sub make_urilink ($;%) {
-  require URI;
-  my $uri = shift;
-  if ($uri =~ s/^IW://) {	## InterWiki (not URI)
-    $uri = &unescape ($uri);
-    if ($uri =~ /^([^\x00-\x2F\x3A-\x40\x5B-\x60\x7B-\x7F]+|"(?:\\.|[^"\\])+"):([^\x00-\x2F\x3A-\x40\x5B-\x60\x7B-\x7F]+|"(?:\\.|[^"\\])+")$/) {
-      my ($site, $name) = ($1, $2);
-      for ($site, $name) {
-        if (s/^"//) { s/"$//; s/\\(.)/$1/g }
-      }
-      if ($interwiki{$site}) {
-        my $uri = &escape ($fmt{interwiki}->replace ($interwiki{$site} => {site => $site, name => $name}));
-        $site = &escape ($site); $name = &escape ($name);
-        qq(&lt;<a href="$uri" class="out-of-wiki interwiki" title="$name ($site); URI: &lt;$uri&gt;"><span class="interwiki-site">$site:</span><span class="interwiki-name">$name</span></a>&gt;);
-      } else {
-        qq(&lt;未登録の <a href="$url_cgi?InterWikiName" class="wiki">InterWikiName</a>: @{[&escape ($site)]}>);
-      }
-    } else {
-      qq(&lt;不正な <a href="$url_cgi?InterWikiName" class="wiki">InterWikiName</a>: @{[&escape($uri)]}>);
-    }
-  } elsif ($uri =~ /^urn:/) {	## URN
-    my $uri2 = &escape (URI->new ('/uri-res/N2L?'.&unescape ($uri), 'http')->canonical);
-    qq(&lt;<a href="$uri2" title="URI: &lt;$uri&gt; (via &lt;$uri2&gt;)" class="out-of-wiki urn">$uri</a>&gt;);
-  } elsif ($uri =~ s/^MAIL://) {	## mail address (not URI)
-    my $uri2 = &escape (URI->new ('mailto:'.&unescape ($uri))->canonical);
-    qq(&lt;<a href="$uri2" class="out-of-wiki mail">$uri</a>&gt;);
-  } elsif ($uri =~ s/^IMG(?:\([^)]+\))?://) {	## image (not URI itself)
-    my $uri2 = &escape (URI->new (&unescape ($uri))->canonical);
-    qq(<img src="$uri2" alt="" title="URI: &lt;$uri2&gt;" class="out-of-wiki">);
-  } else {	## misc. URI
-    CGI::Carp::warningsToBrowser (0);
-    my $uri2 = &escape (URI->new (&unescape ($uri))->canonical);
-    CGI::Carp::warningsToBrowser (1);
-    qq(&lt;<a href="$uri2" title="URI: &lt;$uri2&gt;" class="out-of-wiki">$uri</a>&gt;);
-  }
-}
-
-my $FormIndex = 0;
-sub make_custom_form ($$$$) {
-    my ($wfname, $definition, $template, $option) = @_;
-    ## $template and $option is currently not used in this procedure.
-    unless ($main::_EMBEDED) {
-	$FormIndex++;
-	if (length $definition) {
-	    my $param = bless {}, 'SuikaWiki::Plugin';
-	    my $lastmodified = &get_info($form{mypage}, $info_LastModified);
-	    &load_formatter (qw/form_input form_option/);
-	    $definition = &unescape ($definition);
-	    $definition =~ s/\\(.)/$1/g;
-	    $definition .= ' %submit;' if $definition !~ /%submit/;
-	    $option = &unescape ($option);
-	    $option =~ s/\\(.)/$1/g;
-	    $fmt{form_option}->replace ($option, $param);
-	    my $target_page = $param->{output}->{page} || $form{mypage};
-	    $param->{form_disabled} = 1 if $fixedpage{$target_page};
-	    my $target_form = $param->{output}->{id};
-	    my $r = <<EOH;
-<form method="post" action="$url_cgi" id="wikiform-$FormIndex" class="wikiform">
-  <input type="hidden" name="mycmd" value="@{[$param->{form_disabled}?'read':'wikiform']}">
-  <input type="hidden" name="mypage" value="@{[&escape($target_page)]}">
-  <input type="hidden" name="myLastModified" value="$lastmodified">
-  <input type="hidden" name="mytouch" value="on">
-  <input type="hidden" name="@{[$target_form? qq(wikiform_targetform" value="@{[&escape($target_form)]}) : qq(wikiform_index" value="$FormIndex)]}">
-EOH
-            $r .= qq(<a name="wikiform-$FormIndex"></a>) if $UA =~ m#Mozilla/[12]\.#;
-	    $r .= $fmt{form_input}->replace ($definition, $param);
-	    $r .= <<EOH;
-</form>
-EOH
-            $r;
-       } else {  ## No input-interface WikiForm
-	   qq(<a id="wikiform-$FormIndex" name="wikiform-$FormIndex"><!-- #form --></a>);
-       }
-    } else {
-        q(<ins class="wiki-error"><strong>Warning</strong>: form in embeded page is currently not supported.</ins>);
-    }
-}
-
-## to be obsoleted
-sub make_link {
-    my $chunk = shift;
-    # Walrus add (3) start
-    $chunk =~ s/^&lt;(.*)&gt;$/$1/;
-    my $name  = $chunk;
-    $name = &unarmor_name($name);
-    # Walrus add (3) end
-    if ($chunk =~ /^$embedded_name$/) {
-        return &embedded_to_html($chunk);
-    } else {
-        $chunk = &unarmor_name($chunk);
-        $chunk = &unescape($chunk); # To treat '&' or '>' or '<' correctly.
-        my $cookedchunk = &encode($chunk);
-        if ($database{$chunk}) {
-            my $subject = &escape(&get_subjectline($chunk, delimiter => ''));
-#           return qq(<a title="$subject" href="$url_cgi?$cookedchunk">$chunk</a>);  # Walrus del (3)
-            return qq(<a title="$subject" href="$url_cgi?$cookedchunk" class="wiki">@{[&escape($name)]}</a>);   # Walrus add (3)
-        } elsif ($page_command{$chunk}) {
-#           return qq(<a title="$chunk" href="$url_cgi?$cookedchunk">$chunk</a>);    # Walrus del (3)
-            return qq(<a title="$chunk" href="$url_cgi?$cookedchunk" class="wiki">@{[&escape($name)]}</a>);     # Walrus add (3)
-        } else {
-            return qq(<a title="$resource{editthispage}" href="$url_cgi?mycmd=edit;mypage=$cookedchunk" class="wiki">@{[&escape($name)]}<span class="mark">$editchar</span></a>);
-        }
-    }
-}
-
-sub print_message {
-    my ($msg) = @_;
-    print qq(<p><strong>$msg</strong></p>);
-}
-
-sub get_message {
-    my ($msg) = @_;
-    qq(<p><strong>$msg</strong></p>);
-}
-
-sub init_form {
-    if (param()) {
-        foreach my $var (param()) {
-            $form{$var} = param($var);
-      }
-    }
-    $form{mypage} = &code_convert(\$form{mypage}, $kanjicode);
-    if ($main::ENV{QUERY_STRING} && $main::ENV{QUERY_STRING} !~ /[&;=]/) {
-      my $query = &decode($main::ENV{QUERY_STRING});
-      $query = &code_convert(\$query, $kanjicode);
-      if ($page_command{$query}) {
-        $form{mycmd} = $page_command{$query};
-        $form{mypage} = $query;
-      } else {
-        $form{mypage} = $query;
-        $form{mycmd} = $database{$form{mypage}} ? 'read' : 'edit';
-      }
-    }
-    $form{mypage} ||= 'HomePage';
-    $form{mycmd} ||= 'read';
-
-    # mypreview_edit        -> do_edit, with preview.
-    # mypreview_adminedit   -> do_adminedit, with preview.
-    # mypreview_write       -> do_write, without preview.
-    foreach (keys %form) {
-        if (/^mypreview_(.*)$/) {
-            $form{mycmd} = $1;
-            $form{mypreview} = 1;
-        }
-    }
-
-    # 
-    # $form{mycmd} is frozen here.
-    # 
-
-    for (grep /^wikiform__/, keys %form) {
-	$form{$_} = &code_convert (\$form{$_}, $kanjicode);
-    }
-    $form{mymsg} = &code_convert(\$form{mymsg}, $kanjicode);
-    $form{myname} = &code_convert(\$form{myname}, $kanjicode);
-}
-
-sub update_recent_changes {
-    my $update = "- @{[&get_now]} [[@{[&escape($form{mypage})]}]] @{[&get_subjectline($form{mypage})]}";
-    my @oldupdates = split(/\r?\n/, $database{$RecentChanges});
-    shift (@oldupdates); ## '#?' magic line
-    my @updates;
-    foreach (@oldupdates) {
-        /^\- \d\d\d\d\-\d\d\-\d\d \([^)]+\) \d\d:\d\d \[\[(\S+?)\]\]/;
-        my $name = $1;
-        if ($name ne $form{mypage}) {
-            push @updates, $_;
-        }
-    }
-    if (&is_exist_page($form{mypage})) {
-      unshift @updates, $update;
-    }
-    splice(@updates, $maxrecent + 1);
-    $database{$RecentChanges} = "#?SuikaWiki/0.9\n" . join("\n", @updates);
-    if ($file_touch) {
-        open(FILE, "> $file_touch");
-        print FILE localtime() . "\n";
-        close(FILE);
-    }
-}
-
-sub get_subjectline {
-    my ($page, %option) = @_;
-    if (not &is_editable($page)) {
-        return "";
-    } else {
-        # Delimiter check.
-        my $delim = $subject_delimiter;
-        if (defined($option{delimiter})) {
-            $delim = $option{delimiter};
-        }
-
-        # Get the subject of the page.
-        my $subject = $database{$page};
-        $subject =~ s#^(?:\#\?)?SuikaWiki/0.9[^\x0D\x0A]*[\x0D\x0A]+##s;
-        $subject =~ s/\r?\n.*//s;
-        return "$delim$subject".$option{tail};
-    }
-}
-
-sub send_mail_to_admin {
-    my ($page, $mode) = @_;
-    return unless $modifier_sendmail;
-    my $message = <<"EOD";
-To: $modifier_mail
-From: $modifier_mail
-Subject: [Wiki]
-MIME-Version: 1.0
-Content-Type: text/plain; charset=ISO-2022-JP
-Content-Transfer-Encoding: 7bit
-
---------
-MODE = $mode
-REMOTE_ADDR = $ENV{REMOTE_ADDR}
-REMOTE_HOST = $ENV{REMOTE_HOST}
---------
-$page
---------
-$database{$page}
---------
-EOD
-    &code_convert(\$message, 'jis');
-    open(MAIL, "| $modifier_sendmail");
-    print MAIL $message;
-    close(MAIL);
-}
-
-sub open_db {
-    if ($modifier_dbtype eq 'dbmopen') {
-        dbmopen(%database, $dataname, 0666) or &print_error("(dbmopen) $dataname");
-        dbmopen(%infobase, $infoname, 0666) or &print_error("(dbmopen) $infoname");
-    } elsif ($modifier_dbtype eq 'AnyDBM_File') {
-        tie(%database, "AnyDBM_File", $dataname, O_RDWR|O_CREAT, 0666) or &print_error("(tie AnyDBM_File) $dataname");
-        tie(%infobase, "AnyDBM_File", $infoname, O_RDWR|O_CREAT, 0666) or &print_error("(tie AnyDBM_File) $infoname");
-    } else {
-        tie(%database, "Yuki::YukiWikiDB", $dataname) or &print_error("(tie Yuki::YukiWikiDB) $dataname");
-        tie(%infobase, "Yuki::YukiWikiDB", $infoname) or &print_error("(tie Yuki::YukiWikiDB) $infoname");
-    }
-}
-
-sub close_db {
-    if ($modifier_dbtype eq 'dbmopen') {
-        dbmclose(%database);
-        dbmclose(%infobase);
-    } elsif ($modifier_dbtype eq 'AnyDBM_File') {
-        untie(%database);
-        untie(%infobase);
-    } else {
-        untie(%database);
-        untie(%infobase);
-    }
-}
-
-sub open_diff {
-    if ($modifier_dbtype eq 'dbmopen') {
-        dbmopen(%diffbase, $diffname, 0666) or &print_error("(dbmopen) $diffname");
-    } elsif ($modifier_dbtype eq 'AnyDBM_File') {
-        tie(%diffbase, "AnyDBM_File", $diffname, O_RDWR|O_CREAT, 0666) or &print_error("(tie AnyDBM_File) $diffname");
-    } else {
-        tie(%diffbase, "Yuki::YukiWikiDB", $diffname) or &print_error("(tie Yuki::YukiWikiDB) $diffname");
-    }
-}
-
-sub close_diff {
-    if ($modifier_dbtype eq 'dbmopen') {
-        dbmclose(%diffbase);
-    } elsif ($modifier_dbtype eq 'AnyDBM_File') {
-        untie(%diffbase);
-    } else {
-        untie(%diffbase);
-    }
-}
-
-sub print_searchform {
-    my ($word) = @_;
-    print <<"EOD";
-<form action="$url_cgi" method="get">
-    <input type="hidden" name="mycmd" value="read">
-    <input type="text" name="mypage" value="$word" size="20">
-    <input type="submit" value="$resource{searchbutton}">
-</form>
-EOD
-}
-
-sub print_editform {
-    my ($mymsg, $lastmodified, %mode) = @_;
-    my $frozen = &is_frozen($form{mypage});
-
-    if ($form{mypreview}) {
-        if ($form{mymsg}) {
-            unless ($mode{conflict}) {
-                print qq(<h3>$resource{previewtitle}</h3>\n);
-                print qq($resource{previewnotice}\n);
-                print qq(<div class="preview">\n);
-                &print_content($form{mymsg});
-                print qq(</div>\n);
-            }
-        } else {
-            print qq($resource{previewempty});
-        }
-        $mymsg = &escape($form{mymsg});
-    } else {
-        $mymsg = &escape($mymsg || $database{NewPageTemplate});
-    }
-
-    my $edit = $mode{admin} ? 'adminedit' : 'edit';
-    my $escapedmypage = &escape($form{mypage});
-    my $escapedmypassword = &escape($form{mypassword});
-
-    print <<"EOD";
-<form action="$url_cgi" method="post">
-<h2>$escapedmypageの編集</h2>
-    @{[ $mode{admin} ? qq($resource{frozenpassword} <input type="password" name="mypassword" value="$escapedmypassword" size="10"><br>) : "" ]}
-    <input type="hidden" name="myLastModified" value="$lastmodified">
-    <input type="hidden" name="mypage" value="$escapedmypage">
-    <textarea cols="$cols" rows="$rows" name="mymsg" tabindex="1">$mymsg</textarea><br>
-@{[
-    $mode{admin} ?
-    qq(
-    <input type="radio" name="myfrozen" value="1" @{[$frozen ? qq(checked="checked") : ""]}>$resource{frozenbutton}
-    <input type="radio" name="myfrozen" value="0" @{[$frozen ? "" : qq(checked="checked")]}>$resource{notfrozenbutton}<br>)
-    : ""
-]}
-@{[
-    $mode{conflict} ? "" :
-    qq(
-        <input type="checkbox" name="mytouch" value="on" checked="checked">$resource{touch}<br>
-        <input type="submit" name="mypreview_$edit" value="$resource{previewbutton}">
-        <input type="submit" name="mypreview_write" value="$resource{savebutton}" accesskey="S"><kbd>S</kbd>
-        [@{[do {my $n = 0;
-               $mymsg =~ s/(?:-+\s)?\[([0-9]+)\]/$n = $1 if $1 > $n; $&/mge;
-               ++$n}]}]<br>
-    )
-]}
-</form>
-EOD
-    unless ($mode{conflict}) {
-        # Show the format rule.
-        my $help = $database{'WikiEditHelp'};
-        $help =~ s!^\#\?([A-Z][A-Za-z0-9-]+/[0-9.]+(?:[^0-9.\x0D\x0A][^\x0D\x0A]*)?)[\x0D\x0A]+!!s;
-        print &text_to_html ($help, toc => 0);
-    #    open(FILE, $file_format) or &print_error("($file_format)");
-    #    my $content = join('', <FILE>);
-    #    &code_convert(\$content, $kanjicode);
-    #    close(FILE);
-    #    print &text_to_html($content, toc=>0);
-    }
-}
+use lib qw[/home/httpd/html/www/markup/html/whatpm
+           /home/wakaba/work/manakai2/lib
+           /home/httpd/html/swe/lib/];
+
+use CGI::Carp qw[fatalsToBrowser];
+require Message::CGI::Carp;
+
+my $sw4_url = q<http://suika.fam.cx/~wakaba/wiki/sw/>;
+
+require Message::CGI::HTTP;
+require Encode::EUCJPSW;
+my $cgi = Message::CGI::HTTP->new;
+$cgi->{decoder}->{'#default'} = sub {
+  return Encode::decode ('euc-jp-sw', $_[1]);
+};
+
+my $page = $ENV{QUERY_STRING};
+if ($page =~ /[&;]/) {
+  $page = $cgi->get_parameter ('mypage') // '';
+} else {
+  $page = Encode::decode ('euc-jp-sw', percent_decode_byte ($page));
+}
+
+my $url = get_page_url ($page);
+
+print qq[Status: 301 Moved
+Location: $url
+Content-Type: text/html; charset=utf-8
+
+<!DOCTYPE HTML>
+<html lang=en>
+<title>301 Moved</title>
+<h1>Moved</h1>
+<p>See <a href="@{[htescape ($url)]}">other page</a>.];
+exit;
+
+sub get_page_url ($) {
+  my $wiki_name = shift;
+  $wiki_name = percent_encode ($wiki_name);
+  $wiki_name =~ s/%2F/+/g;
+  $wiki_name = $sw4_url . 'n/' . $wiki_name;
+  return $wiki_name;
+} # get_page_url
+
+sub percent_encode ($) {
+  my $s = Encode::encode ('utf8', $_[0]);
+  $s =~ s/([^A-Za-z0-9_~-])/sprintf '%%%02X', ord $1/ges;
+  return $s;
+} # percent_encode
 
-sub print_passwordform {
-        print <<"EOD";
-<form action="$url_cgi" method="post">
-    <input type="hidden" name="mycmd" value="adminchangepassword">
-    $resource{oldpassword} <input type="password" name="myoldpassword" size="10"><br>
-    $resource{newpassword} <input type="password" name="mynewpassword" size="10"><br>
-    $resource{newpassword2} <input type="password" name="mynewpassword2" size="10"><br>
-    <input type="submit" value="$resource{changepasswordbutton}"><br>
-</form>
-EOD
-}
-
-sub is_editable {
-    my ($page) = @_;
-    if ($fixedpage{$page} || $page =~ /\s/ || $page =~ /^\#/) {
-        return 0;
-    } else {
-        return 1;
-    }
-}
-
-# armor_name:
-#   WikiName -> WikiName
-#   not_wiki_name -> [[not_wiki_name]]
-sub armor_name { qq([[$_[0]]]) }
-
-# unarmor_name:
-#   [[bracket_name]] -> bracket_name
-#   WikiName -> WikiName
-sub unarmor_name {
-    my ($name) = @_;
-    if ($name =~ /^$bracket_name$/) {
-        return $1;
-    } else {
-        return $name;
-    }
-}
-
-sub decode {
-    my ($s) = @_;
-    $s =~ tr/+/ /;
-    $s =~ s/%([A-Fa-f0-9][A-Fa-f0-9])/pack("C", hex($1))/eg;
-    return $s;
-}
-
-sub encode {
-    my ($s) = @_;
-    my $encoded = '';
-    foreach my $ch (split(//, $s)) {
-        if ($ch =~ /[A-Za-z0-9_]/) {
-            $encoded .= $ch;
-        } else {
-            $encoded .= '%' . sprintf("%02X", ord($ch));
-        }
-    }
-    return $encoded;
-}
-
-sub init_resource {
-    open(FILE, $file_resource) or &print_error("(resource)");
-    while (<FILE>) {
-        chomp;
-        next if /^#/;
-        my ($key, $value) = split(/=/, $_, 2);
-        $resource{$key} = &code_convert(\$value, $kanjicode);
-    }
-    close(FILE);
-}
-
-sub conflict {
-    my ($page, $rawmsg) = @_;
-    if ($form{myLastModified} eq &get_info($page, $info_LastModified)) {
-        return 0;
-    }
-    open(FILE, $file_conflict) or &print_error("(conflict)");
-    my $content = join('', <FILE>);
-    &code_convert(\$content, $kanjicode);
-    close(FILE);
-    &print_header($page, -noindex => 1);
-    &print_content($content);
-    &print_editform($rawmsg, $form{myLastModified}, frozen=>0, conflict=>1);
-    &print_footer($page);
-    return 1;
-}
-
-sub get_now {
-    my (@week) = qw(Sun Mon Tue Wed Thu Fri Sat);
-    my (@week) = qw(日 月 火 水 木 金 土);
-    my ($sec, $min, $hour, $day, $mon, $year, $weekday) = localtime(time);
-    $year += 1900;
-    $mon++;
-    $mon = "0$mon" if $mon < 10;
-    $day = "0$day" if $day < 10;
-    $hour = "0$hour" if $hour < 10;
-    $min = "0$min" if $min < 10;
-    #$sec = "0$sec" if $sec < 10;
-    $weekday = $week[$weekday];
-    return "$year-$mon-$day ($weekday) $hour:$min";
-}
-
-sub init_InterWikiName {
-  my @content = split /\n/, $database{$InterWikiName};
-  for (@content) {
-    if (/^([^#]\S*)\s+(\S[^\x0A\x0D]+)/) {
-      $interwiki{$1} = $2;
-    }
-  }
-  require Message::Util::Formatter;
-  $fmt{interwiki} = Message::Util::Formatter->new;
-  $fmt{interwiki}->{encoded} = sub {
-    my ($o, $p) = @_;
-    if ($o->{except}) {
-      $o->{except} =~ tr/\x00-\x20\x22\x23%\x2D<>^[\x5C]`{|}\x7F-\xFF//d;
-    }
-    my $s = &code_convert (\$p->{name}, $o->{charset} || 'iso-2022-7bit');
-    $s =~ s/([^$o->{except}A-Za-z0-9_-])/sprintf '%%%02X', unpack 'C', $1/ge;
-    $s;
-  };
-  $fmt{interwiki}->{ykwk} = sub {	## YukiWiki1
-    my ($o, $p) = @_;
-    my $s = $p->{name};
-    $s = qq([[$s]]) if $s !~ /^[A-Z][a-z]+(?:[A-Z][a-z]+)+$/;
-    &encode (&code_convert (\$p->{name}, $o->{charset} || 'shift_jis'));
-  };
-}
-
-
-sub get_info {
-    my ($page, $key) = @_;
-    my %info = map { split(/=/, $_, 2) } split(/\n/, $infobase{$page});
-    return $info{$key};
-}
-
-sub set_info {
-    my ($page, $key, $value) = @_;
-    my %info = map { split(/=/, $_, 2) } split(/\n/, $infobase{$page});
-    $info{$key} = $value;
-    my $s = '';
-    for (keys %info) {
-        $s .= "$_=$info{$_}\n";
-    }
-    $infobase{$page} = $s;
-}
-
-sub frozen_reject {
-    my ($isfrozen) = &get_info($form{mypage}, $info_IsFrozen);
-    my ($willbefrozen) = $form{myfrozen};
-    if (not $isfrozen and not $willbefrozen) {
-        # You need no check.
-        return 0;
-    } elsif (valid_password($form{mypassword})) {
-        # You are admin.
-        return 0;
-    } else {
-        &print_error($resource{passworderror});
-        return 1;
-    }
-}
-
-sub valid_password {
-    my ($givenpassword) = @_;
-    my ($validpassword_crypt) = &get_info($AdminSpecialPage, $info_AdminPassword);
-    if (crypt($givenpassword, $validpassword_crypt) eq $validpassword_crypt) {
-        return 1;
-    } else {
-        return 0;
-    }
-}
-
-sub is_frozen {
-    my ($page) = @_;
-    if (&get_info($page, $info_IsFrozen)) {
-        return 1;
-    } else {
-        return 0;
-    }
-}
-
-sub do_comment {
-    my ($content) = $database{$form{mypage}};
-    my $default_name;	## this code does not strict.
-    $default_name = $1 if $content =~ /default-name="([^"]+)"/;
-    my $datestr = '[WEAK['.&get_now.']]';
-    my $namestr = $form{myname} || $default_name || $DEFAULT_embed_comment_name;
-    ($namestr = '', $datestr = '') if $form{myname} eq 'nodate';
-    if ($namestr =~ /^(?:>>)?[0-9]/) {
-      $namestr = qq( ''$namestr'': );
-    } elsif (length $namestr) {
-      $namestr = qq( ''[[$namestr]]'': );
-    }
-    my $anchor = &get_new_anchor_index ($content);
-    my $i = 1;  my $o = 0;
-    $content =~ s{(\Q$embed_comment\E|\Q$embed_rcomment\E)}{
-      my $embed = $1;
-      if ($i == $form{comment_index}) {
-        if ($embed eq $embed_comment) {
-          $embed = "- [$anchor] $datestr$namestr$form{mymsg}\n$embed";  $o = 1;
-        } else {
-          $embed .= "\n- [$anchor] $datestr$namestr$form{mymsg}";  $o = 1;
-        }
-      }
-      $i++; $embed;
-    }ge;
-    unless ($o) {
-      $content = "#?SuikaWiki/0.9\n\n" unless $content;
-      $content .= "\n" unless $content =~ /\n$/s;
-      $content .= "- [$anchor] $datestr$namestr$form{mymsg}\n";
-    }
-    $form{__comment_anchor_index} = $anchor;
-    if ($form{mymsg} || $form{myname}) {
-        $form{mymsg} = $content;
-        $form{mytouch} = 'on';
-        &do_write;
-    } else {
-        $form{mycmd} = 'read';
-        &do_read;
-    }
-}
-
-sub get_new_anchor_index ($) {
-    my $content = shift;
-    my $anchor = 0;
-    $content =~ s/^(?:[-=]+\s*)?\[([0-9]+)\]/$anchor = $1 if $1 > $anchor; $&/mge;
-    $anchor + 1;
-}
-
-my $CommentIndex = 0;
-sub embedded_to_html {
-    my ($embedded) = @_;
-    if ($embedded eq $embed_comment or $embedded eq $embed_rcomment) {
-      unless ($main::_EMBEDED) {
-        my $lastmodified = &get_info($form{mypage}, $info_LastModified);
-        return <<"EOD";
-<form action="$url_cgi" method="post" id="x-comment-@{[++$CommentIndex]}" class="comment"><p>
-    <input type="hidden" name="mycmd" value="comment">
-    <input type="hidden" name="mypage" value="$form{mypage}">
-    <input type="hidden" name="myLastModified" value="$lastmodified">
-    <input type="hidden" name="mytouch" value="on">
-    <input type="hidden" name="comment_index" value="$CommentIndex">
-    $embed_comment_Name_Prompt
-    <input type="text" name="myname" value="" size="10" class="comment-name">
-    <input type="text" name="mymsg" value="" size="60" class="comment-msg">
-    <input type="submit" value="$resource{commentbutton}" class="comment-submit">
-</p></form>
-EOD
-     } else {
-        return <<"EOD";
-<del><form action="$url_cgi" method="get">
-    <input type="hidden" name="mycmd" value="read">
-    <input type="hidden" name="mypage" value="$form{mypage}">
-    $embed_comment_Name_Prompt
-    <input type="text" name="myname" value="" size="10" disabled="disabled">
-    <input type="text" name="mymsg" value="" size="60" disabled="disabled">
-    <input type="submit" value="$resource{commentbutton}" disabled="disabled">
-</form></del>
-EOD
-    }
-  } elsif ($embedded =~ /$embed_command{searched}/) {
-    return get_search_result ($1, -match_myself => 1);
-    # Walrus add (5) start
-    } elsif ($embedded =~ /$embed_interwiki/ and my $remoteurl = $interwiki{$2}) {
-        $_ = &make_interwiki_box($1, $2);
-        return ($_) ? $_ : $embedded;
-    # Walrus add (5) end
-  } elsif ($embedded =~ /^\[\[\#embed:(.+)\]\]$/) {
-    my ($name, $r) = ($1, '');
-    if ($main::_EMBEDED != 1) {
-      my ($content, $cf) = ($database{$name}, 'SuikaWiki/0.9');
-      $cf = $1 if $content =~ s!^(?:[\#<]\?|/\*\s*)?([A-Z][A-Za-z0-9-]+/[0-9.]+(?:[^0-9.][^\x0D\x0A]*)?)[\x0D\x0A]+!!s;
-      if ($cf =~ m!^(?:\#\?)?SuikaWiki/0.9(?:$|\s)!) {
-        $main::_EMBEDED = 1;
-        $r = &text_to_html ($content, content_format => $cf);
-        $main::_EMBEDED = 0;
-      } elsif (length $content) {
-        $r = "<pre>@{[&escape ($content)]}</pre>";
-      } else {
-        $r = &text_to_html ("[INS[\n埋め込まれている [[$name]] はまだ書かれていません。\n]INS]\n", content_format => 'SuikaWiki/0.9');
-      }
-    } else {	## nested #EMBED
-      $r = &text_to_html ("[INS[\n[[$name]] の埋め込みは (入り組んでいるので) 解決されませんでした。\n]INS]\n", content_format => 'SuikaWiki/0.9');
-    }
-    return qq(<blockquote title="@{[&escape($name)]}" class="wiki-embed">$r<div class="cite-note">『<cite><a href="$url_cgi?@{[&encode($name)]}" class="wiki">@{[&escape($name)]}</a></cite>』</div></blockquote>);
-  } elsif ($embedded =~ /^\[\[\#randomlink:(.+)\]\]$/) {
-    return qq(<a href="$url_cgi?mycmd=RandomJump;x-param=@{[time.[0..9]->[rand 10]]}" class="wiki randomlink">$1</a>);
-  } else {
-    return $embedded;
-  }
-}
-
-sub load_formatter (@) {
-    for my $t (@_) {
-	unless ($fmt{$t}) {
-	    $fmt{$t} = Message::Util::Formatter->new;
-	    for (@{$SuikaWiki::Plugin::List{'wiki'.$t}||[]}) {
-		$_->load_formatter ($fmt{$t}, type => 'wiki'.$t);
-	    }
-	}
-    }
-}
-
-sub do_wikiform {
-    my $content = $database{$form{mypage}};
-    my $anchor = &get_new_anchor_index ($content);
-    &load_formatter (qw/form_template form_option/);
-    my $write = 0;
-    my $i = 1;
-    $content =~ s{$embed_command{form}}{
-	my ($embed, $wfname, $template, $option) = ($&, $1, $3, $4);
-	if (($wfname && $wfname eq $form{wikiform_targetform})
-	    || $i == $form{wikiform_index}) {
-	    $template =~ s/\\(.)/$1/g;
-	    $option =~ s/\\(.)/$1/g;
-	    my $param = bless {}, 'SuikaWiki::Plugin';
-	    $param->{page} = $form{mypage};
-	    $param->{form_index} = $i;
-	    $param->{form_name} = $wfname;
-	    $param->{anchor_index} = $anchor;
-	    $param->{argv} = \%form;
-	    $param->{default_name} = $1 if $content =~ /default-name="([^"]+)"/;
-            $param->{default_name} ||= $DEFAULT_embed_comment_name;
-	    $fmt{form_option}->replace ($option, $param);
-            my $t = 1;
-            for (@{$param->{require}||[]}) {
-              (undef $t, last) unless length $param->{argv}->{'wikiform__'.$_};
-            }
-	    $t = $fmt{form_template}->replace ($template, $param) if $t;
-	    if (length $t) {
-		if ($param->{output}->{reverse}) {
-		    $embed .= "\n" . $t;
-		} else {
-		    $embed = $t . "\n" . $embed;
-		}
-		$write = 1;
-                $form{__comment_anchor_index} = $anchor
-                  if $param->{anchor_index_};  ## $anchor is used!
-            }
-            $form{__wikiform_anchor_index} = $i;
-            undef $form{wikiform_targetform};  ## make sure never to match
-            undef $form{wikiform_index};       ## with WikiForm in rest of page
-	}
-	$i++; $embed;
-    }ge;
-    unless ($write) {
-      #$content = "#?SuikaWiki/0.9\n\n" unless $content;
-      #$content .= "\n" unless $content =~ /\n$/s;
-      #
-    }
-    if ($write) {
-        $form{mymsg} = $content;
-        $form{mytouch} = 'on';
-        &do_write;
-    } else {
-        $form{mycmd} = 'read';
-        &do_read;
-    }
-}
-
-
-# Walrus add (5) start
-sub do_interwiki_box {
-    my $remoteurl = $interwiki{$form{'myintername'}};
-    if ($remoteurl) {
-        $remoteurl =~ s/\b(euc|sjis|ykwk|asis|isbn)\(\$1\)/&interwiki_convert($1, $form{'mylocalname'})/e;
-        print "Location: $remoteurl\n\n";
-        exit(1);
-    } else {
-        &do_read;
-    }
-}
-# Walrus add (5) end
-
-# Walrus add (5) start
-sub make_interwiki_box {
-    my ($localname, $intername) = @_;
-    my %ignoretype = (
-        'box'      => 'text',
-        'text'     => 'text',
-        'pass'     => 'password',
-        'password' => 'password'
-    );
-    my $converted = ($ignoretype{$localname}) ? <<EOD : undef;
-<form action="$url_cgi" method="post">
-    <input type="hidden" name="mycmd" value="interwikibox">
-    <input type="hidden" name="mypage" value="$form{mypage}">
-    <input type="hidden" name="myintername" value="$intername">
-    $intername:
-    <input type="$ignoretype{$localname}" name="mylocalname" value="" size="10">
-    <input type="submit" value="Submit">
-</form>
-EOD
-}
-# Walrus add (5) end
-
-sub code_convert {
-    my ($contentref, $code) = (shift, shift || $kanjicode);
-    $code = 'jis' if $code =~ /iso/;
-    $code = 'euc' if $code =~ /euc/;
-    $code = 'sjis' if $code =~ /shift/;
-    $code = 'utf8' if $code =~ /utf/;
-    &Jcode::convert($contentref, $code);       # for Jcode.pm
-#    &jcode::convert($contentref, $code);       # for jcode.pl
-    &jcode::tr ($contentref, "\xA3\xB0-\xA3\xB9\xA3\xC1-\xA3\xDA\xA3\xE1-\xA3\xFA\xA1\xF5\xA1\xA4\xA1\xA5\xA1\xA7\xA1\xA8\xA1\xA9\xA1\xAA\xA1\xAE\xA1\xB0\xA1\xB2\xA1\xBF\xA1\xC3\xA1\xCA\xA1\xCB\xA1\xCE\xA1\xCF\xA1\xD0\xA1\xD1\xA1\xDC\xA1\xF0\xA1\xF3\xA1\xF4\xA1\xF6\xA1\xF7\xA1\xE1\xA2\xAF\xA2\xB0\xA2\xB2\xA2\xB1\xA1\xE4\xA1\xE3\xA1\xC0\xA1\xA1" => q(0-9A-Za-z&,.:;?!`^_/|()[]{}+$%#*@='"~-><\ )) if $code eq 'euc';
-    return $$contentref;
-}
-
-sub test_convert {
-    my $txt = &text_to_html(<<"EOD", toc=>1);
-*HEADER1
-**HEADER1-1
--ITEM1
--ITEM2
--ITEM3
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1''BOLD''PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-
-PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2
-PAR2PAR2PAR2PAR2PAR2PAR2'''ITALIC'''PAR2PAR2PAR2PAR2PAR2PAR2PAR2
-PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2
-**HEADER1-2
-:TERM1:DESCRIPTION1 AND ''BOLD''
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1''BOLD''PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-:TERM2:DESCRIPTION2
-:TERM3:DESCRIPTION3
-----
-*HEADER2
-**HEADER2-1
-http://www.hyuki.com/
-**HEADER2-2
-
-[[YukiWiki2]]
-
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1'''''BOLD ITALIC'''''PAR1PAR1PAR1PAR1PAR1
-PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1PAR1
->PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2
->PAR2PAR2PAR2PAR2PAR2PAR2'''ITALIC'''PAR2PAR2PAR2PAR2PAR2PAR2PAR2
->PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2PAR2
-
-LEVEL0LEVEL0LEVEL0LEVEL0LEVEL0LEVEL0LEVEL0
-
->LEVEL1
->LEVEL1
->LEVEL1
->>LEVEL2
->>LEVEL2
->>LEVEL2
->>>LEVEL3
--HELLO-1
---HELLO-2
-(HELLO-2, HELLO-2, HELLO-2)
----HELLO-3
-(HELLO-3, HELLO-3, HELLO-3)
---HELLO-2
----HELLO-3
---HELLO-2
----HELLO-3
->>>LEVEL3
->>>LEVEL3
->>>LEVEL3
->>>LEVEL3
-EOD
-    print $txt;
-    exit;
-}
-
-sub do_diff {
-    if (not &is_editable($form{mypage})) {
-        &do_read;
-        return;
-    }
-    &open_diff;
-    my $title = $form{mypage};
-    &print_header($title, -noindex => 1);
-    $_ = &escape($diffbase{$form{mypage}});
-    &close_diff;
-    print qq(<h3>$resource{difftitle}</h3>);
-    print qq($resource{diffnotice});
-    print qq(<pre class="diff">);
-    foreach (split(/\n/, $_)) {
-        if (/^\+(.*)/) {
-            print qq(<b class="added">$1</b>\n);
-        } elsif (/^\-(.*)/) {
-            print qq(<s class="deleted">$1</s>\n);
-        } elsif (/^\=(.*)/) {
-            print qq(<span class="same">$1</span>\n);
-        } else {
-            print qq|??? $_\n|;
-        }
-    }
-    print qq(</pre>);
-    print qq(<hr>);
-    &print_footer($title);
-}
-
-sub do_rss {
-    my $rss = new Yuki::RSS(
-        version => '1.0',
-        encoding => $charset,
-    );
-    $rss->channel(
-        title => $modifier_rss_title,
-        link  => $modifier_rss_link,
-        description => $modifier_rss_description,
-    );
-    my $recentchanges = $database{$RecentChanges};
-    my $count = 0;
-    foreach (split(/\n/, $recentchanges)) {
-        last if ($count >= 15);
-        /^\- \d\d\d\d\-\d\d\-\d\d \([^)]+\) \d\d:\d\d:\d\d (\S+)/;    # date format.
-        my $title = &unarmor_name($1);
-        my $escaped_title = &escape($title);
-        my $link = $modifier_rss_link . '?' . &encode($title);
-        my $description = $escaped_title . &escape(&get_subjectline($title));
-        $rss->add_item(
-            title => $escaped_title,
-            link  => $link,
-            description => $description,
-        );
-        $count++;
-    }
-    # print RSS information (as XML).
-    print <<"EOD"
-Content-type: text/xml
-
-@{[$rss->as_string]}
-EOD
-}
-
-sub is_exist_page {
-    my ($name) = @_;
-    if ($use_exists) {
-        return exists($database{$name});
-    } else {
-        return $database{$name};
-    }
-}
-
-sub __get_database ($) { $database{ $_[0] } }
-sub __set_database ($$) { $database{ $_[0] } = $_[1] }
-
-sub do_wikiplugininfo {
-    &print_header (q(WikiPluginInfo));
-    print text_to_html (&SuikaWiki::Plugin::make_info_page);
-    &print_footer (q(WikiPluginInfo));
-}
-
-package wiki::referer;
-sub add ($$) {
-  my $page = shift;
-  my $uri = shift;
-  unless (ref $uri) {
-    require URI;
-    $uri = URI->new ($uri);
-    ## Some schemes do not have query part.
-    eval q{ $uri->query (undef) if $uri->query =~ /^[0-9]{6,8}$/ };
-    $uri->fragment (undef);
-  }
-  $uri = $uri->canonical;
-  return unless $uri;
-  for my $regex (&get_dont_record) {
-    return if $uri =~ /$regex/;
-  }
-  my %list = get ($page);
-  $list{ $uri }++;
-  set ($page, \%list);
-}
-sub get ($) {
-  my $page = shift;
-  split /"/, main::get_info ($page, 'Referer');
-}
-sub set ($%) {
-  my $page = shift;
-  my $list = shift;
-  main::set_info ($page, Referer => join '"', %$list);
-}
-
-sub get_dont_record () {
-  map {s/\$/\\\$/g; s/\@/\\\@/g; $_}
-  grep !/^#/,
-  split /[\x0D\x0A]+/, &main::__get_database ('RefererDontRecord');
-}
-sub get_site_name () {
-  my @lines = grep /[^#]/, split /[\x0D\x0A]+/, &main::__get_database('RefererSiteName');
-  my @item;
-  for (@lines) {
-    next if /^#/;
-    my ($uri, $name) = split /\s+/, $_, 2;
-    $uri =~ s/\$/\\\$/g;  $uri =~ s/\@/\\\@/g;  $uri =~ s/\//\\\//g;
-    $name =~ s!([()/\\])!\\$1!g;  $name =~ s/\$([0-9]+)/).__decode (\${$1}).q(/g;
-    push @item, [$uri, qq(q($name))];
-  }
-  @item;
-}
-
-sub list_html ($) {
-  my $page = shift;
-  my %list = get ($page);
-  my $r = '';
-  my @name = get_site_name;
-  for my $uri (sort keys %list) {
-    my $title;
-    for my $item (@name) {
-      if ($uri =~ /$item->[0]/) {
-        $title = $uri;
-        eval qq{\$title =~ s/^.*$item->[0].*\$/$item->[1]/e}
-          or die $@ ;#. qq{\$title =~ s/^.*$item->[0].*\$/$item->[1]/e};
-        last;
-      }
-    }
-    my $euri = main::escape ($uri);
-    if ($title) {
-      $r .= qq(<li>[$list{$uri}] <a href="$euri" title="URI: &lt;$euri>">@{[main::escape ($title)]}</a></li>\n);
-    } else {
-      $r .= qq(<li>[$list{$uri}] &lt;<a href="$euri">$euri</a>&gt;</li>\n);
-    }
-  }
-  $r ? qq(<ul>$r</ul>\n) : '';
-}
-
-sub __decode ($) {
+sub percent_decode ($) { # input should be a byte string.
   my $s = shift;
-  $s =~ tr/+/ /;
-  $s =~ s/%([0-9A-Fa-f][0-9A-Fa-f])/chr hex $1/ge;
-  main::code_convert (\$s);
-}
-
-package wiki::useragent;
+  $s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
+  return Encode::decode ('utf-8', $s); # non-UTF-8 octet converted to \xHH
+} # percent_decode
 
-sub add ($) {
+sub percent_decode_byte ($) { # input should be a byte string.
   my $s = shift;
-  return unless length $s;
-  $s =~ s/([\x00-\x08\x0A-\x1F\x25\x7F-\xFF])/sprintf '%%%02X', unpack 'C', $1/g;
-  my %ua;
-  for (split /\n/, &main::__get_database('WikiUserAgentList')) {
-    if (/^-\[(\d+)\] (.+)$/) {
-      my ($t, $n) = ($1, $2);
-      $n =~ tr/\x0A\x0D//d;
-      $ua{$n} = $t;
-    }
-  }
-  $ua{$s}++;
-  my $s = qq(#?SuikaWiki/0.9\n);
-  for (sort {$ua{$a} <=> $ua{$b}} keys %ua) {
-    $s .= sprintf qq(-[%d] %s\n), $ua{$_}, $_;
-  }
-  &main::__set_database ('WikiUserAgentList' => $s);
-}
+  $s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
+  return $s;
+} # percent_decode_byte
 
-package SuikaWiki::Plugin;
-  our $plugin_directory;  # defined in top of this file.
-  our %List;
-
-sub escape ($$) { main::escape ($_[1]) }
-sub unescape ($$) { main::unescape ($_[1]) }
-sub encode ($$) { main::encode ($_[1]) }
-sub decode ($$) { main::decode ($_[1]) }
-sub __get_datetime ($) { main::get_now () }
-
-sub regist ($@) {
-    my $pack = shift;
-    for (@_) {
-	push @{$List{$_}}, $pack;
-    }
-}
-
-sub import_plugins () {
-    opendir PDIR, $plugin_directory;
-    my @plugin = grep {s/\.pm$//} readdir (PDIR);
-    closedir PDIR;
-    for (@plugin) {
-	eval qq{ use SuikaWiki::Plugin::$_ } unless /[^A-Za-z0-9_]/;
-	push @{$List{_all}}, qq(SuikaWiki::Plugin::$_);
-    }
-}
-
-sub make_info_page () {
-    my $r = <<EOH;
-EOH
-    unless ($List{_all}) {
-	$r .= qq('''No plugin is installed!'''\n);
-    } else {
-	my $index = 0;
-	for my $package (sort @{$List{_all}}) {
-	    $index++;
-	    my $prop = $package->property ();
-	    $r .= <<EOH;
-*$package
-
-[$index] '''$prop->{name}''' (Version $prop->{version})
-<$prop->{uri}>
-
-Provide:
-@{[do{my $t = ''; for my $f (@{$prop->{provide}||[]}) {
-    $t .= qq(-''$f''\n);
-    for (sort grep m#^\Q$f\E/#, keys %{$prop->{partinfo}}) {
-	 $t .= qq(--''$_'' -- $prop->{partinfo}->{$_}\n);
-    }
-}$t}]}
-
-EOH
-	}
-    }
-    $r;
-}
-
-&import_plugins ();
-
-package main;
-&main;
-exit 0;
-
-1;
-__END__
-=head1 NAME
-
-wiki.cgi - This is YukiWiki, yet another Wiki clone.
-
-=head1 DESCRIPTION
-
-YukiWiki is yet another Wiki clone.
-
-YukiWiki can treat Japanese WikiNames (enclosed with [[ and ]]).
-YukiWiki provides 'InterWiki' feature, RDF Site Summary (RSS),
-and some embedded commands (such as [[#comment]] to add comments).
-
-Read F<readme_en.txt> (English) or F<readme_ja.txt> (Japanese) in more detail.
-
-=head1 AUTHOR
-
-Hiroshi Yuki <hyuki@hyuki.com> http://www.hyuki.com/yukiwiki/
-
-=head1 LICENSE
-
-Copyright (C) 2000-2002 by Hiroshi Yuki.
-
-This program is free software; you can redistribute it and/or
-modify it under the same terms as Perl itself.
-
-=cut
+sub htescape ($) {
+  my $s = shift;
+  $s =~ s/&/&amp;/g;
+  $s =~ s/</&lt;/g;
+  $s =~ s/"/&quot;/g;
+  return $s;
+} # htescape