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From: gam@tektronix.UUCP (Gregory Muth)
Newsgroups: net.jokes
Subject: followup: a NASTY joke (offensive to 4105's)
Message-ID: <2460@tektronix.UUCP>
Date: Wed, 2-May-84 08:59:42 EDT
Article-I.D.: tektroni.2460
Posted: Wed May  2 08:59:42 1984
Date-Received: Fri, 4-May-84 05:36:42 EDT
Organization: Tektronix, Beaverton OR
Lines: 8

You should also include the clear graphics area command, since
setting the dialog indices to black makes the graphics area visible.
That way you'll be sure that their screen goes COMPLETELY black.

<EC><FF>        (ESCAPE, FORM-FEED)

will do the trick...