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bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements


From: Lars Ingebrigtsen
Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)
Date: Wed, 17 Aug 2022 14:36:34 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

> Well, next time it happens, would you please note the file/URL and
> post it?

It's not that simple, but I think I have may have a recipe now.  But one
question first: Is (setq long-line-threshold nil) supposed to disable
these optimisations totally, or are there other things also in the mix
now?

Because I'm seeing these oddnesses even if I do that.






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