definitely loosing mail: total expire deletes unread (but seen) mail

[Wes Hardaker <wes@hardakers.net>]

I've suspected for a long time that either my understanding of the
total-expiry process is either flawed, or that total-expiry itself is
flawed.

Specifically, I have total-expiry set on a good number of
"mailing-list" boxes where I treat them like news groups:  IE, if they
are read then I'm done with them.  However, many times I'll read an
article and then M-u it to mark it as "unread" so that it'll stay
around.  But it doesn't.  After the expiry time is over, even those
disappear.

I thought that total-expiry is not supposed to delete unread articles?
They have been "seen" and have lost the ./N marks, but they were
definitely missing the read mark.

-- 
"The trouble with having an open mind, of course, is that people will
 insist on coming along and trying to put things in it."   -- Terry Pratchett