•Mozilla Firefox »Please be aware that Firefox cannot display the Webdings font. As a result, instead of displaying arrows as outline bullets for expanding and contracting subitems, Firefox shows characters "4" and "6". If you find this behavior annoying, please try Chrome, Safari, or IE when using Dynamic List.
Editing outlinesCurrently, the Dynamic List outline editor works with most major browsers. Reading and editing on OSX and iOS has the side effect of showing "4" for collapsed lists and "6" for expanded lists.