+ was found for the FocusIn event.
+
+ it should be noted!! that focus events of invalud types
+ (the ones that cause a return in the FocusIn case above)
+ will not cause this focus_fallback to be called. it will
+ be assumed that focus is going someplace sane still, or
+ there are more focus events coming to fix up the situation.
+ this may not be perfect.. but its working! and focus events
+ are too much headache to take that for granted. ktnx. ^_^
+ */
+ if (fi.xfocus.window == None)