GNU bug report logs - #46116
28.0.50; Ticking articles fails on Emacs 28 pgtk build

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From: Jonathan Corbet <corbet <at> lwn.net>
To: Andrea Corallo <akrl <at> sdf.org>
Cc: 46116 <at> debbugs.gnu.org
Subject: bug#46116: Acknowledgement (28.0.50; Ticking articles fails on Emacs 28 pgtk build)
Date: Wed, 27 Jan 2021 10:54:27 -0700

On Wed, 27 Jan 2021 09:29:30 +0000
Andrea Corallo <akrl <at> sdf.org> wrote:

> > So... Through the process of brute-force debugging, I found that simply
> > pulling up a copy of gnus-sum.el and doing an eval-defun on
> > gnus-summary-goto-subject makes the problem mysteriously go away.  This,
> > in turn, makes me suspect that the native compilation is the real problem,
> > and this is not a gnus issue at all.  Will try to pursue further;
> > apologies for wasting your time.
> >
> > Thanks,
> >
> > jon  
> 
> This is a possible miscommunication.  Could you report the input of the
> function when the miss-behave is observed? 

Trying to determine that was how I found the workaround - putting in a
(message) call made the problem go away.  The call, though, is from
gnus-summary-mark-article:

> 	(when (gnus-summary-goto-subject article nil t)
> 	  (let ((inhibit-read-only t))
> 	    (gnus-summary-show-thread)
> 	    ;; Fix the mark.
> 	    (gnus-summary-update-mark mark 'unread)
> 	    t))))))

I was able to examine the arguments before the call; "article" is an
integer article number, as expected.

Thanks,

jon

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