GNU bug report logs - #35273
"Marker does not point anywhere" when reading next article

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Message #44 received at 35273 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: contovob <at> tcd.ie, 35273 <at> debbugs.gnu.org, leah <at> vuxu.org
Subject: Re: bug#35273: "Marker does not point anywhere" when reading next
 article
Date: Sat, 27 Apr 2019 12:17:25 -0400

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Date: Sat, 20 Apr 2019 16:44:04 +0300
>> From: Eli Zaretskii <eliz <at> gnu.org>
>> Cc: contovob <at> tcd.ie, 35273 <at> debbugs.gnu.org, leah <at> vuxu.org
>> 
>> > > I think it would be better to try to understand how we got such an
>> > > overlay.  Was it deleted, per chance?
>> > 
>> > I entirely agree with this, but how to check for that?
>> 
>> But a breakpoint in delete-overlay?

I managed to reproduce (wasn't too hard actually).  All the overlay
deletion seems to come from gnus.  I got hits from erase-buffer (called
by gnus), gnus-kill-all-overlays, and gnus-cite-delete-overlays.

> Btw, does anyone understand how does elscreen affect this issue?  Does
> that package manipulate overlays or help-echo properties?

Unclear.  It doesn't have any delete-overlay calls at all.  But it does
create and move its own overlay.  And it does have a few help-echo
properties.

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