> Maybe the problem can be summarized as follows:
 >
 > - Emacs is in a state where a frame is hidden but not iconified.
 >
 > - Emacs gets a PropertyNotify event but does not react because the frame
 >    was in its understanding _not_ iconified before.  Elightenment thinks
 >    that Emacs should understand that the frame is visible now and react
 >    properly.
 >
 > If that's the case, then Emacs had this problem ever since.  Actually,
 > Emacs here waits for a MapNotify event to arrive but apparently this
 > does not happen with Elightenment.

A preliminary patch based on the above remarks is attached.

martin