/**
  * Before item in list
  *
  * @param Doku_Renderer $R
  */
 protected function before_item(Doku_Renderer $R)
 {
     switch ($R->getFormat()) {
         case 'xhtml':
             $R->doc .= '<li><div class="li">';
             break;
         case 'odt':
             $R->listitem_open();
             $R->listcontent_open();
             break;
     }
 }