Subject: bug#64391: buffer narrowing slowdown regression in emacs 29

From: Gregory Heytings <[email-masked]>
Date: Fri, 07 Jul 2023 12:46:24 +0000

>> ???  That wasn't meant for the release branch.
>
> Then what is?
>

I was replying to Mattias who said, rightly, that using a funcall is not 
optimal here, and that we could do better.  I suggested a patch, but that 
optimization is independent of this bug.