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From: Karl Kleinpaste <karl@charcoal.com>
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Subject: Re: Can't mark negative article numbers
Date: 19 Apr 2001 15:20:04 -0400
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In-Reply-To: <3196695088082602@oakhurst.yi.org> (Thomas Skogestad's message of "19 Apr 2001 20:51:28 +0200")
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Thomas Skogestad <tskogest@jusstud.uio.no> writes:
> Gotta unmark it as it is now marked as read.
> 6. No can do. "Can't mark negative article numbers"

If the parent article came from the same group, it should be given its
normal article number, and so should be un-markable.

However, if the parent came from some other group, which might not
even be a group to which you're subscribed, there's no means by which
to assign it a state of "un-readness" because it's not visible in the
right group in the first place.

E.g. somebody writes to news.software.readers with followups set to
gnu.emacs.gnus.  You see a followup in g.e.g, but you're not
subscribed to n.s.r.  You `^' to the n.s.r parent, and you want to
mark it.  What should Gnus do?  There's little it *can* do, short of
subscribing you to n.s.r.

The best you can do is mark the child which led to the interesting
parent, and chase to the parent again when you come back.