protected function format_summary_text($section) {
        $context = context_course::instance($section->course);
        $summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php',
            $context->id, 'course', 'section', $section->id);

        $options = new stdClass();
        $options->noclean = true;
        $options->overflowdiv = true;
        return format_text($summarytext, $section->summaryformat, $options);
    }