GNU bug report logs - #57245
29.0.50; M-> in a large XML file (without long lines) is slow

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 57245 <at> debbugs.gnu.org
Subject: bug#57245: 29.0.50; M-> in a large XML file (without long lines) is slow
Date: Tue, 16 Aug 2022 22:32:23 +0300

On 16.08.2022 19:54, Eli Zaretskii wrote:
> Stefan, can you see why syntax-related stuff in sgml-mode is so heavy
> here?

nxml-syntax-propertize might well be heavier than average, but the delay 
scales linearly with the size of the file.

Which seems to be exactly the behavior the "font-lock narrowing" was 
supposed to guard from?

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