go to the url above and click on a username. A menu comes up w/ more options. As soon as you move the mouse the menu hides. In IE, *moz & Safari prior to the 10.4.3 update, the menu displays properly.
I'm working on a reduction...
Created attachment 4636 [details] Test case
I see why this is a problem, and I have a fix.
Created attachment 4921 [details] need to do the same "skip text node" logic for oldUnder as well as targetNode
Comment on attachment 4921 [details] need to do the same "skip text node" logic for oldUnder as well as targetNode Agreed. r=me.
Landed the fix, but we really need a layout test for this to prevent it from regressing in the future.