Horde_Imap_Client_Data_Format_String::quoted PHP Method

    public function quoted()
    {
        /* IMAP strings MUST be quoted if they are not a literal. */
        return !isset($this->_filter) || !$this->_filter->literal;
    }

 /**
  */
 public function quoted()
 {
     return is_null($this->_data) ? false : parent::quoted();
 }