function frontend()
 {
     global $vars, $get, $post;
     $titlestr = PluginIncludex::get_titlestr($this->inclpage, $this->options['titlestr'][1]);
     $title = PluginIncludex::get_title($this->inclpage, $titlestr, $this->options['title'][1]);
     if ($this->error != "") {
         return;
     }
     // because included page would use these variables.
     $tmp = $vars['page'];
     $get['page'] = $post['page'] = $vars['page'] = $this->inclpage;
     if (function_exists('convert_filter')) {
         $this->lines = convert_filter($this->lines);
         // plus
     }
     $body = convert_html($this->lines);
     $get['page'] = $post['page'] = $vars['page'] = $tmp;
     if ($this->error != "") {
         return;
     }
     $footer = '';
     if ($this->options['permalink'][1] !== false) {
         $linkstr = $this->make_inline($this->options['permalink'][1]);
         $footer = '<p class="permalink">' . make_pagelink($this->inclpage, $linkstr) . '</p>';
     }
     return $title . "\n" . $body . $footer;
 }