GNU bug report logs - #40611
Fontification of source bufffer can make Occur very slow (Emacs 27.0.90 pretest)

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Package: emacs;

Reported by: Konrad Podczeck <konrad.podczeck <at> univie.ac.at>

Date: Mon, 13 Apr 2020 20:34:01 UTC

Severity: normal

Tags: moreinfo

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Konrad Podczeck <konrad.podczeck <at> univie.ac.at>
To: 40611 <at> debbugs.gnu.org
Subject: bug#40611: Fontification of source bufffer can make Occur very slow (Emacs 27.0.90 pretest) 
Date: Mon, 13 Apr 2020 22:33:32 +0200

Open a latex file for which "M-x occur Ret the Ret" gives about 3000 hits. If the source buffer is fontified, it takes about 2 seconds until the occur-buffer pops up, a time that is about 7 times longer than starting the Emacs app! On the other hand, without fontification of the source buffer, the occur buffer pops up almost immediately. Setting the user option "occur-mode-hook" to nil has no effect on this difference.

Konrad Podczeck
This bug report was last modified 4 years and 169 days ago.

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