> The main problem for me at the moment is that when we introduce a > stacking > api, which rely on tabbed window titles, what should happen to > windows > having a alternative decorator. Just ignore stacking or stacking > titles on > top of each other? There was some discussions about putting the zoom and close buttons only in the last (resp. first) tab. In this case I believe it would be possible to make the other decorators split the "title" area and display part of the title of the different apps. The fact that you think about it show that I didn't work for nothing on fixing them :)