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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Bug-reference auto-setup for Rmail (please test)
Date: Sun, 16 May 2021 13:02:59 +0300
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To: Tassilo Horn <tsdh@gnu.org>
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> From: Tassilo Horn <tsdh@gnu.org>
> Date: Sun, 16 May 2021 09:23:21 +0200
> 
> What you need to do is activate `bug-reference-mode' in Rmail, so
> probably:
> 
>   (add-hook 'rmail-mode-hook #'bug-reference-mode)
> 
> and then it'll try to guess the right `bug-reference-bug-regexp' and
> `bug-reference-url-format' based on the List-Id, To, From, and Cc
> headers according to the customize option
> `bug-reference-setup-from-mail-alist' which should at least have a
> suitable default value for (some) emacs-related mailinglists including
> emacs-devel.

It doesn't seem to work here, or maybe I'm doing something wrong.

I've ran "M-x rmail RET" on some mbox file with a message from
debbugs, then turned on bug-reference-mode there.  The bug references
are indeed displayed as buttons, but pushing the button does nothing,
because

     (overlay-get o 'bug-reference-url)

returns nil.  What am I doing wrong?  This is "emacs -Q", btw.