Atto has the potential to over write saved content and files.

Test 1 Teacher one goes to the course edit page (draft is saved) and doesn't click save or cancel. Teacher two makes a change to the course description AND adds a new image and saves. Teacher one revisits the course edit page with in four days. Their draft is NOT restored. They click save. Verify that the image file is still in the filearea for the description (use the manage files plugin). Test 2 Teacher one goes to the course edit page (draft is saved) and doesn't click save or cancel. Teacher two makes a change to the course description and saves. Teacher one revisits the course edit page with in four days. Their draft is NOT restored. Test this with some mforms, and non-mforms use of the editor (database, course settings, forum posts). Test 3 Create a Wiki page (collaborative wiki) Click on Files & upload a file (any kind) Save Go anywhere, then go back to Files and the uploaded file is still there. Navigate to Edit & type any amount of text. Without saving, go back to Files tab and the uploaded file is still there. Navigate to Edit & type any amount of text. Save Navigate back to files and discover your file is still there.