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

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Message #1012 received at 56682 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 56682 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>,
 monnier <at> iro.umontreal.ca
Subject: Re: bug#56682: Fix the long lines font locking related slowdowns
Date: Fri, 05 Aug 2022 12:20:20 +0000

>
> Like, we're going from a 255 (?) second delay to 2 second delay already 
> without breaking fontification. And yet you're eager to go from 2 
> seconds down to ~0 and sacrifice highlighting correctness?
>

Yes.  Because as I told you your 2 seconds are 4 for me and 8 for Eli and 
20 for someone else.  And that's in a relatively small file.

Note that if it were 2/4/8/20 seconds once, and then no further slowdowns 
while editing the file, that would perhaps be okay.  But that's not the 
case, you will regularly see a similar 2/4/8/20 seconds delay.

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