Subject: Re: bug#56682: Fix the long lines font locking related slowdowns

From: Gregory Heytings <[email-masked]>
Date: Thu, 28 Jul 2022 16:42:30 +0000

>
> emacs -Q
> C-x C-f long-line.xml RET
> M-g g 12
> C-u 12 M-x duplicate-line
> C-x C-s multiple-long-lines.xml RET
> C-x C-f multiple-long-lines.xml RET y
> C-x x t
> C-s </ RET
>

Sorry, there's a typo in that recipe, it should be:

C-u 50 M-x duplicate-line