Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!bloom-beacon!EXPO.LCS.MIT.EDU!rws
From: rws@EXPO.LCS.MIT.EDU
Newsgroups: comp.windows.x
Subject: Re: XPutImage monochrome image to color screen
Message-ID: <8904261323.AA04896@expire.lcs.mit.edu>
Date: 26 Apr 89 13:23:13 GMT
References: <20170@uflorida.cis.ufl.EDU>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 8


    The image gets updated correctly, then a vertical white band is drawn on
    the image, generally near the edges of the image which have just been
    re-drawn.

You are almost certainly going to have to post a simple complete program to
demonstrate the problem, either to xbugs or xpert.  There's seldom any better
way to understand what's going on.