GNU bug report logs - #45898
27.1; wedged in redisplay again

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Phil Sainty <psainty <at> orcon.net.nz>
Cc: larsi <at> gnus.org, Emacs-hacker2018 <at> jovi.net, 45898 <at> debbugs.gnu.org
Subject: bug#45898: 27.1; wedged in redisplay again
Date: Tue, 14 Jun 2022 15:45:36 +0300

> Date: Tue, 14 Jun 2022 10:40:47 +1200
> From: Phil Sainty <psainty <at> orcon.net.nz>
> Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, Emacs-hacker2018 <at> jovi.net,
>  45898 <at> debbugs.gnu.org
> 
> My standard example is this file:
> https://github.com/Wilfred/ReVo-utilities/blob/a4bdc40dd2656c496defc461fc19c403c8306d9f/revo-export/dictionary.json?raw=true
> 
> and which is ~19MB in a single line of JSON (which normally freezes
> Emacs for several minutes on quite fast hardware by simply visiting the
> file), and which comes from this question:
> https://emacs.stackexchange.com/questions/598/how-do-i-prevent-extremely-long-lines-making-emacs-slow
> 
> I've also used cut-down versions of that file in testing.  I'm attaching
> a ~300K extract from that which is more than enough to make things 
> painful
> at the end of the line (or slow-yet-manageable with so-long enabled).
> 
> And here's an XML file of similar size and effect:
> wget -O long-line.xml 
> https://updates.drupal.org/release-history/drupal/current

Thanks, this is very useful.

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