/**
  * Renders HTML to display the questions in a section of the quiz.
  *
  * This function calls {@link core_course_renderer::quiz_section_question()}
  *
  * @param structure $structure object containing the structure of the quiz.
  * @param \stdClass $section information about the section.
  * @param \question_edit_contexts $contexts the relevant question bank contexts.
  * @param array $pagevars the variables from {@link \question_edit_setup()}.
  * @param \moodle_url $pageurl the canonical URL of this page.
  * @return string HTML to output.
  */
 public function questions_in_section(structure $structure, $section, $contexts, $pagevars, $pageurl)
 {
     $output = '';
     foreach ($structure->get_questions_in_section($section->id) as $question) {
         $output .= $this->question_row($structure, $question, $contexts, $pagevars, $pageurl);
     }
     return html_writer::tag('ul', $output, array('class' => 'section img-text'));
 }