bug#71644: 30.0.50; Severe slowdown in larger files with markers beginning in emacs 29+

[Ihor Radchenko]

Eli Zaretskii <eliz@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

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Ihor Radchenko // yantar92,
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