deleting

From: P.Ross (pross@freenet.npiec.on.ca)
Date: Mon, 24 Mar 1997 16:23:44 -0500

I ran the expire -r to remove all of the posts in a certain newsgroup,
yet the news.dat file still contains all the postings. why do the messages
remain in the news.dat file, should'nt they have been purged when I ran
expire? thanks.