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From: devine@vianet.UUCP (Bob Devine)
Newsgroups: sci.crypt
Subject: copyright of derivative works
Message-ID: <56@vianet.UUCP>
Date: Tue, 25-Nov-86 12:45:43 EST
Article-I.D.: vianet.56
Posted: Tue Nov 25 12:45:43 1986
Date-Received: Wed, 26-Nov-86 17:54:24 EST
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Organization: ViaNetix  Boulder, CO.
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  Could someone tell me the correct copyright notice to use
for a derivative work?  That is, if I have a program already
with a copyright notice of, say, 1984 and I make modifications
to it, do I use "Copyright 1984,1986" or "Copyright 1986"?

thanks,
Bob Devine