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From: davidson@sdcsvax.UUCP
Newsgroups: net.news
Subject: Re: Another use for expiration dates
Message-ID: <232@sdcsvax.UUCP>
Date: Wed, 1-Jun-83 15:00:31 EDT
Article-I.D.: sdcsvax.232
Posted: Wed Jun  1 15:00:31 1983
Date-Received: Wed, 8-Jun-83 09:03:00 EDT
References: mgweed.1044
Lines: 8

Where it is desired to have a new message replace an old one, one way
that this can be done with the present system is to send the replacement
article with an immediately following cancellation of the old article.

I do realize that this solution has several problems, but it is a
technique currently available.

-Greg