Add a wiki activity to course Add a few revisions to a page Click on history and then the version number on one of those older versions. VERIFY no debugging notices thrown Click on 'restore vthis verison' VERIFY: no debugging notices thrown Add a comment to the page Click the delete VERIFY: on the confirmation page no debugging notices are Git grep for the following functions and ensure there are no uses: filter_text httpsrequired detect_munged_arguments get_course_participants is_course_participant mygroupid current_theme skip_main_destination print_container print_container_start print_container_end print_continue print_header print_header_simple print_side_block print_arrow print_scale_menu_helpbutton print_checkbox print_navigation build_navigation navmenu add_event update_event delete_event hide_event show_event