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waiting for window repaint

                       Subject:                               Time:2:37 PM
  OFFICE MEMO          waiting for window repaint             Date:8/19/1994

Is there a simple way to force MCL to wait until a window has repainted all of
its existing contents (after uncovering it from beneath other windows) before
drawing anything new in that window?  Say in a sequence like:

(window-select *buriedWin*)
(frame-rect *buriedWin* 10 20 10 20)

I don't think querying the VsRgn helps.