Open a page with an editor and form change checker Refresh the page Confirm that the change checker did not warn Click into the editor but do not insert any content Refresh the page Confirm that the change checker did not warn Click into the editor but do not insert any content Click around the editor but not on any buttons Toggle the 'Show more buttons' collapse plugin Refresh the page Confirm that the change checker did not warn Click into the editor but do not insert any content Click on some of the buttons like Bold, Italic, etc. Refresh the page Confirm that the change checker warned of changes Click into the editor and type some content. Do NOT click outside the editor Refresh the page by hitting F5 - e.g. do not use the mouse Confirm that the change checker warned of changes Click into the editor and type some content. Click outside the edtor Refresh the page Confirm that the change checker warned of changes Add the following to your config.php: $CFG->forced_plugin_settings = array('quiz' => array('autosaveperiod' => 3)); Create a quiz containing one essay question, that uses the 'HTML editor with file picker' response type. Attempt the quiz, and Open the console. (The autosave code outputs useful debug messages to tell you what is going on - assuming you have developer debug on.) Type something in Atto, and verify that 3 seconds later (or whatever delay you set) an autosave ajax request happens. Add an image to Atto using the filepicker, and verify that cause an autosave too.