/**
  * sets the language from content
  *
  * @since 1.2
  */
 public function wp()
 {
     // nothing to do if the language has already been set ( although normally the filter has been removed )
     if (!$this->curlang && ($curlang = $this->get_language_from_content())) {
         parent::set_language($curlang);
     }
 }