GNU bug report logs - #64391
30.0.50; buffer narrowing slowdown regression in emacs 29

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Message #65 received at 64391 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: acohen <at> ust.hk, 64391 <at> debbugs.gnu.org, mattias.engdegard <at> gmail.com,
 monnier <at> iro.umontreal.ca, bugs <at> gnus.org
Subject: Re: bug#64391: buffer narrowing slowdown regression in emacs 29
Date: Fri, 07 Jul 2023 10:31:01 +0000

>>> I have one question about the new `with-restriction` macro: if it is 
>>> intended as a convenience macro for unlabelled narrowing as well, 
>>> shouldn't it then expand to the obvious
>>>
>>>  (save-restriction
>>>    (narrow-to-region BEG END)
>>>    BODY)
>>>
>>> instead the much more expensive call to a helper function?
>>
>> Yes.  In fact now that we have a separate function for the labeled 
>> case, we can remove the funcall in both cases.  Patch attached.
>
> You are killing me.
>

???  That wasn't meant for the release branch.

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