function toString()
 {
     $body = $this->body == '' ? '' : PukiWikiFunc::make_link($this->body);
     // プラグイン呼び出し
     if (PukiWikiPlugin::exist_plugin_inline($this->name)) {
         $str = PukiWikiPlugin::do_plugin_inline($this->name, $this->param, $body);
         if ($str !== FALSE) {
             return $str;
         }
     }
     // プラグインが存在しないか、変換にク敗
     $body = $body == '' ? ';' : "\\{{$body}};";
     return PukiWikiConfig::applyRules(htmlspecialchars('&' . $this->plain) . $body);
 }