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

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Message #775 received at 56682 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, dgutov <at> yandex.ru
Subject: Re: bug#56682: Fix the long lines font locking related slowdowns
Date: Wed, 03 Aug 2022 14:54:19 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: Dmitry Gutov <dgutov <at> yandex.ru>,  56682 <at> debbugs.gnu.org,  Eli Zaretskii
>  <eliz <at> gnu.org>
> Date: Tue, 02 Aug 2022 18:26:51 -0400
> 
> I strongly disagree with the necessity to make re-widening
> technically impossible, I find it fundamentally incompatible with
> Emacs's philosophy and can't see any practical justification here.
> Just narrow and make sure jit-lock.el and font-lock.el don't
> accidentally widen it.

What do you mean by "accidentally" in this context?  A program rarely
does anything "accidentally", it almost always does what the
programmer wanted it to do.

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