GNU bug report logs - #71644
30.0.50; Severe slowdown in larger files with markers beginning in emacs 29+

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Mitchell <mitchellahren <at> gmail.com>
Cc: yantar92 <at> posteo.net, monnier <at> iro.umontreal.ca, 71644 <at> debbugs.gnu.org
Subject: bug#71644: 30.0.50; Severe slowdown in larger files with markers beginning in emacs 29+
Date: Wed, 26 Jun 2024 15:41:11 +0300

> From: Mitchell <mitchellahren <at> gmail.com>
> Date: Tue, 25 Jun 2024 21:53:42 -0600
> Cc: Ihor Radchenko <yantar92 <at> posteo.net>, monnier <at> iro.umontreal.ca, 71644 <at> debbugs.gnu.org
> 
> > > Eli Zaretskii <eliz <at> gnu.org> writes:
> > >
> > > > ...  So if you could come up with a change to try on
> > > > top of Org 9.6 that would change it back to use overlays for folding,
> > > > we could try that and see if the slowdown goes away, and take it from
> > > > there.
> > >
> > > (setq org-fold-core-style 'overlays) ; before Org is loaded
> > 
> >    Thanks.  Mitchell and Stefan, can you try this?
>  
> I tested setting org-fold-core-style to 'overlays before loading org and unfortunately it did not help the
> slowness in the test org buffer. These are the two lines I tried in separate tests:
> 
> (setq org-fold-core-style 'overlays)
> (customize-set-variable 'org-fold-core-style 'overlays)

Thanks, I guess it means this theory eats dust.

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