public function prepare_response_files_draft_itemid_with_text($name, $contextid, $text) {
        $draftid = 0; // Will be filled in by file_prepare_draft_area.
        $newtext = file_prepare_draft_area($draftid, $contextid, 'question',
                'response_' . $name, $this->id, null, $text);
        return array($draftid, $newtext);
    }