GNU bug report logs - #66117
30.0.50; `find-buffer-visiting' is slow when opening large number of buffers

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Message #196 received at 66117 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Ihor Radchenko <yantar92 <at> posteo.net>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 66117 <at> debbugs.gnu.org
Subject: Re: bug#66117: 30.0.50; `find-buffer-visiting' is slow when opening
 large number of buffers
Date: Tue, 12 Dec 2023 22:47:35 +0200

On 12/12/2023 22:01, Stefan Monnier wrote:
> This said, in the case of `case-fold-search` I think there's a simpler
> solution: make it "buffer-local only", meaning that let-binding it
> affects only the current buffer (rather than affecting all the buffers
> which have not made it buffer-local yet).

Wouldn't that be a breaking change? And a non-obvious one.

E.g. company-dabbrev-code creates a dynamic binding for case-fold-search 
in one place and then calls a function (company-dabbrev--search) that 
iterates across all buffers with re-search-forward.

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