GNU bug report logs - #56682
Fix the long lines font locking related slowdowns

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Package: emacs;

Reported by: Gregory Heytings <gregory <at> heytings.org>

Date: Thu, 21 Jul 2022 18:01:01 UTC

Severity: normal

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, dgutov <at> yandex.ru
Subject: bug#56682: Fix the long lines font locking related slowdowns
Date: Wed, 03 Aug 2022 16:38:57 -0400

> What about parse-partial-sexp, which calls scan_sexps_forward?  It
> looks like I've misremembered, and that was the culprit in the
> scenario we discussed, see
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=45898#92.

The wholelines problem did not kick in because of PPS nor `syntax-ppss`
but because of font-lock (which then called `syntax-ppss` which then
called PPS).


        Stefan
This bug report was last modified 2 years and 8 days ago.

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