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From: rws@EXPO.LCS.MIT.EDU
Newsgroups: comp.windows.x
Subject: Re: DEC3100-Xlib performance
Message-ID: <8905181727.AA01602@expire.lcs.mit.edu>
Date: 18 May 89 17:27:17 GMT
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    Or possibly ALL of the arc requests have already reached the server and it
    is just faithfully carrying out its orders.

That's why I said it's a matter of scheduling in the server.  Just because
the requests have arrived doesn't necessarily mean the server will ignore
keyboard input.  You have to understand the particular server's scheduling
policy about when and how many requests it executes before rechecking for
device input.