From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.bugs Subject: bug#66117: 30.0.50; `find-buffer-visiting' is slow when opening large number of buffers Date: Tue, 02 Jan 2024 10:52:50 +0000 Message-ID: <87wmss3t31.fsf@localhost> References: <878r919qfh.fsf@localhost> <878r5v20gu.fsf@localhost> <83bkapl5zh.fsf@gnu.org> <83zfy9jkoh.fsf@gnu.org> <878r5tglwp.fsf@localhost> <83ttohjet0.fsf@gnu.org> <83sf41jed7.fsf@gnu.org> <87y1dtyu4y.fsf@localhost> <83plz5jdgj.fsf@gnu.org> <87v88xyt2a.fsf@localhost> <83o7epjaon.fsf@gnu.org> <87edfipbpf.fsf@localhost> <877cl7n0ux.fsf@localhost> <878r5953ux.fsf@localhost> <8734vg6b62.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39589"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dmitry@gutov.dev, Eli Zaretskii , mattias.engdegard@gmail.com, Stefan Monnier , 66117@debbugs.gnu.org To: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 02 11:50:14 2024 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rKcLd-000A2i-Ou for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 2 Jan 2024 11:49:40 +0100 (CET) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:277222 Archived-At: Gerd M=C3=B6llmann writes: >>>>> C-h f default-value explains this: >>>>> >>>>> Return SYMBOL=E2=80=99s default value. >>>>> This is the value that is seen in buffers that do not have their ow= n values >>>>> for this variable. >>>> >> ... >> I am sorry, but I do not see how the docstring explains what is >> happening there. Because it is not clear what `let' does with the >> default value. > > Sorry for not being clear. What I wanted to hint at is the part of the > doc string that reads "that do not have their own values...", which > means that what default-value returns depends whether or not SYMBOL got > its own value in the buffer, and that depends on the presence of lets, > and so on. It is not how I read this. AFAIU, `default-value' returns the value that is used for buffers where the value is not explicitly set. Calling `default-value' from inside the buffer where the value is set does not change that global default value and should not change what `default-value' returns. And indeed (defvar-local yant/test 'default-value) (with-temp-buffer (setq yant/test 'local-value) (default-value 'yant/test)) ; =3D> 'default-value --=20 Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at