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From: David Engster <deng@randomsample.de>
Newsgroups: gmane.emacs.gnus.general
Subject: Re: How to open a summary buffer reliable?
Date: Wed, 10 Dec 2008 22:52:03 +0100
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In-Reply-To: <87k5a7g7vv.fsf@thinkpad.tsdh.de> (Tassilo Horn's message of
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Tassilo Horn <tassilo@member.fsf.org> writes:
> for following org-mode links to articles in Gnus, I need a way to open a
> summary buffer.  Currently I use
>
>         (gnus-group-read-group 1 nil group),
>
> but that fails if the user deleted the last message in the group.

If you rescan the group before entering, Gnus should notice that the
article got deleted. You can do this by using gnus-activate-group with
`scan' being non-nil. 

Alternatively, you could request (1- gnus-large-newsgroup) articles so
that the user does not get asked.

-David