Received: (at 78785) by debbugs.gnu.org; 16 Jun 2025 09:52:55 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jun 16 05:52:55 2025 Received: from localhost ([127.0.0.1]:42463 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1uR6WM-0000OE-Pb for submit <at> debbugs.gnu.org; Mon, 16 Jun 2025 05:52:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42788) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1uR6WJ-0000NJ-H6 for 78785 <at> debbugs.gnu.org; Mon, 16 Jun 2025 05:52:52 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1uR6W7-0002Rq-BK; Mon, 16 Jun 2025 05:52:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=5nFhbAgcdY1afS945vsHHl8qpQz/YSdeW4WGMiaF2Ls=; b=c1/pRQdWVHFFYYz4UlsN OnyEEZ26bziOi00aQsiCDr/Lzaorg87w2Ia2rengyfhQcjEZWe5IAUaYZRFTOdTGjz1AlTcgIjLxV fDzaorj4AYZcN33GUBcjWpxvz4cg/fK1dCVJ4p7oE85ZRo8mNyD+HOeAvlRG2JDU1bLtvS7fo3AKU EusGwFewR/ZPy5EGaWhCfsHt3sCY7OmIRMgs3lOKhNrp5mHG1f4rZxf8Q7sEVXsWhZoPDtHZ70iAF vGfi2sz/Mh70QbKIrPChcoAIUEJt7Jl2d1ZOJqYmVyYe0xDBrkkF+3r50c5ifREZ8BLGod2B6YbTj nSaD2kNUeGcQdQ==; Date: Mon, 16 Jun 2025 12:52:00 +0300 Message-Id: <861prkovy7.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Chris Hibbert <hibbert@HIDDEN>, martin rudalics <rudalics@HIDDEN> In-Reply-To: <a2931048-a185-4339-af21-61a402d50161@HIDDEN> (message from Chris Hibbert on Wed, 11 Jun 2025 16:30:04 -0700) Subject: Re: bug#78785: 29.3; docs: switch-to-prev-buffer-skip is hard to find References: <a2931048-a185-4339-af21-61a402d50161@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 78785 Cc: 78785 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Wed, 11 Jun 2025 16:30:04 -0700 > From: Chris Hibbert <hibbert@HIDDEN> > > I reported that "kill-buffer chooses a visible buffer as replacement" on > the Emacs StackEchange. > (https://emacs.stackexchange.com/questions/84630) > > Someone responded, and once he understood my problem, pointed out that > switch-to-prev-buffer-skip provides the control I want. > > I'm now suggesting that it would be helpful to document this better. I think there's some confusion here, see below. > For instance, the docs for kill-buffer > (https://www.gnu.org/software/emacs/manual/html_node/emacs/Kill-Buffer.html), > say that > "If you kill the current buffer, another buffer becomes current: one > that was current in the recent past but is not displayed in any > window now." > > That describes the behavior I want, but not the default, AFAICT. > > I think the default value of switch-to-prev-buffer-skip is nil. The docs > for switch-to-prev-buffer-skip say > If this variable is nil, ‘switch-to-prev-buffer’ may switch to > any buffer, including those already shown in other windows. There are two related, but different behaviors here, which both happen when the current buffer is killed: . which buffer becomes the current one, and . which buffer replaces the current buffer in its window The manual's documentation of the behavior of kill-buffer which you quote talks about the former, whereas switch-to-prev-buffer-skip affects the latter. So I don't see a problem in the documentation, and AFAIU the correction you suggested for the manual is incorrect, because it wrongly conflates these two subtly different behaviors. I'm adding Martin to this discussion, in the hope that he will have more comments (and will correct me if I'm wrong).
bug-gnu-emacs@HIDDEN:bug#78785; Package emacs.
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I reported that "kill-buffer chooses a visible buffer as replacement" on
the Emacs StackEchange.
(https://emacs.stackexchange.com/questions/84630)
Someone responded, and once he understood my problem, pointed out that
switch-to-prev-buffer-skip provides the control I want.
I'm now suggesting that it would be helpful to document this better. For
instance, the docs for kill-buffer
(https://www.gnu.org/software/emacs/manual/html_node/emacs/Kill-Buffer.html),
say that
"If you kill the current buffer, another buffer becomes current: one
that was current in the recent past but is not displayed in any
window now."
That describes the behavior I want, but not the default, AFAICT.
I think the default value of switch-to-prev-buffer-skip is nil. The docs
for switch-to-prev-buffer-skip say
If this variable is nil, ‘switch-to-prev-buffer’ may switch to
any buffer, including those already shown in other windows.
If the default value of switch-to-prev-buffer-skip is changed to
'visible', the doc for kill-buffer would be correct. Alternatively, we
could replace the line I quoted from kill-buffer to say
"If you kill the current buffer, another buffer becomes current: the
default chooses an arbitrary buffer. To specify a different strategy,
set the variable switch-to-prev-buffer-skip to a non-nil value.
'visible' tells it to skip buffers that are visible.
Chris
In GNU Emacs 29.3 (build 1, aarch64-apple-darwin21.6.0, NS
appkit-2113.60 Version 12.6.6 (Build 21G646)) of 2024-03-24 built on
armbob.lan
Windowing system distributor 'Apple', version 10.3.2575
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--
Currently reading: The Coming Wave, Mustafa Suleyman; Infinity
Hold 3, Barry B. Longyear; Cancelled: The Shape of Things to
Come, by Danny King; The Algebraist, Iain Banks; 1638: The
Sovereign States, Eric Flint, et. al
Chris Hibbert
hibbert@HIDDEN
Blog: http://www.pancrit.org
http://mydruthers.com
Chris Hibbert <hibbert@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#78785; Package emacs.
Full text available.
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