Path: utzoo!attcan!uunet!seismo!sundc!pitstop!sun!amdcad!ames!mailrus!tut.cis.ohio-state.edu!bloom-beacon!EXPO.LCS.MIT.EDU!rws
From: rws@EXPO.LCS.MIT.EDU (Bob Scheifler)
Newsgroups: comp.windows.x
Subject: Re: SubstructureRedirect & server out of sync bug
Message-ID: <8903022216.AA15861@EXPIRE.LCS.MIT.EDU>
Date: 2 Mar 89 22:16:52 GMT
References: <525@stan.stan.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
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    WM hasn't processed move request yet.  Server warps pointer
    to old location of window; then WM catches up and Window
    moves out from under.

The ICCCM states that you'll get a ConfigureNotify event (even
if the WM decides not to move you) from a correctly implemented WM.  If you
want the "sync", wait for the event.  I don't see that you need the complexity
you suggest.