From: utzoo!decvax!harpo!npoiv!alice!alb
Newsgroups: net.news
Title: Re: New Cancellation Protocol?
Article-I.D.: alice.1542
Posted: Sat Feb 26 23:42:10 1983
Received: Sun Feb 27 03:05:17 1983
References: we13.412

I too have seen the things that Randy points out.  My guess is that
one person mistakenly did it and then other people who knew no better
followed suit.  That is of course not the way to cancel a message.
If you want to cancel an article you submitted, just say 'c' to readnews.