Copy a large amount of text into an editor containing: some links some lists some images other stuff Select all Confirm that the appropriate buttons are highlighted Click once on some plain text (not in a list, nor bold, not a link, etc) Confirm that no buttons are highlighted Reselect all Confirm that the appropriate buttons are highlighted again Click once on to place the caret in the middle of a link Confirm that the link button is highlighted Reselect all Confirm that the appropriate buttons are highlighted again Click once on to place the caret in the middle of a list Confirm that the list button is highlighted Reselect all Confirm that the appropriate buttons are highlighted again Try a few more buttons types, and links in lists, or bold in lists, etc. Important: It should only be necessary to click once for the buttons to update.