From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#73446: 29.1; Curious behaviour with with-current-buffer and read-string Date: Tue, 24 Sep 2024 15:12:40 +0300 Message-ID: <86msjxdzd3.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31380"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 73446@debbugs.gnu.org To: Al Haji-Ali Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 24 14:13:56 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 1st4QW-0007yP-8k for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 24 Sep 2024 14:13:56 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1st4QH-0006eq-Qk; Tue, 24 Sep 2024 08:13:42 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1st4QE-0006eY-OS for bug-gnu-emacs@gnu.org; Tue, 24 Sep 2024 08:13:40 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1st4QE-0002C1-FI for bug-gnu-emacs@gnu.org; Tue, 24 Sep 2024 08:13:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debbugs.gnu.org; s=debbugs-gnu-org; h=References:In-Reply-To:From:Date:To:Subject; bh=GUbSC2Lc8GT83kZ5NTeCQZmIf3MrUY0LWi/Q8a0JKN4=; b=anznzg3Yz5iQYGY+5esxVDIe53zEj9PU55M7vv/JvJdePI5vs1Obd+uJSx71zYLQO4UPNgs5lwig3ebrEjzVgU1rMYmnAIkXExn93o+pK9AVLO4nHd2d9e9cKCjrjfmTToW1eOmEUkvAsOHx6vn5HGg/gxmVIxuMVCBS2pFKKRHB557nii8+HeoAJSQE62+1rm/x9aX9ON+YDdoB2Jo9yzX8ZMWoz64watwaV6gNoOWHT1/Cbw3zFGvMPqbc28LT1X/U7fFLl5b0bxY9eQxBtDo9BQvzL6J1bEKBVDK0uAoyCwlcBXeLjn5uSfXyoMYcazj23rHVQIwU45XwZgLuIA==; Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1st4Qc-0005Uk-7s for bug-gnu-emacs@gnu.org; Tue, 24 Sep 2024 08:14:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 24 Sep 2024 12:14:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 73446 X-GNU-PR-Package: emacs Original-Received: via spool by 73446-submit@debbugs.gnu.org id=B73446.172718002621089 (code B ref 73446); Tue, 24 Sep 2024 12:14:02 +0000 Original-Received: (at 73446) by debbugs.gnu.org; 24 Sep 2024 12:13:46 +0000 Original-Received: from localhost ([127.0.0.1]:45460 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1st4QM-0005U5-AE for submit@debbugs.gnu.org; Tue, 24 Sep 2024 08:13:46 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:53974) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1st4QI-0005Tn-E1 for 73446@debbugs.gnu.org; Tue, 24 Sep 2024 08:13:44 -0400 Original-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 ) id 1st4Po-00027t-JU; Tue, 24 Sep 2024 08:13:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=GUbSC2Lc8GT83kZ5NTeCQZmIf3MrUY0LWi/Q8a0JKN4=; b=WVxAF/aoyU3z 7nEmRHXbNz+yl7L8Dh+poSgn0u+RlDFd1XW23hkS4JId9+IGGAh+tIexlxmn2ACv/UrM8i8MdFtqV jYLz63B/sGg88KdutVuw/qzdNt9FiQxZTVFxW434AU/WsxZ9trIimDv3cWrGDhI3bbdUCtgDiIIVE NZyDGCnIvatRAFN7TcrkbPmo5YjluBPoBs08lzfzn3k1KrM6uFGYsYb7YkZMr/pLSfic3avUMXvzV ApJZyc9YQ59Inu5r5l13cv10QREjp/vHkEjJZ/QwGmyqW3bKpL1pcdebErCKL7XmYdPOiNP5hxOMG vCY+iXAuxlUcwIEhXnXc7g==; In-Reply-To: (message from Al Haji-Ali on Tue, 24 Sep 2024 09:19:56 +0100) 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:292321 Archived-At: > From: Al Haji-Ali > Date: Tue, 24 Sep 2024 09:19:56 +0100 > > > Consider this code snippet: > > ,---- > | (with-current-buffer (get-buffer "*scratch*") > | (message "START point %S %S" (current-buffer) (point)) > | (goto-char 10) > | (message "BEFORE point %S %S" (current-buffer) (point)) > | (with-current-buffer (get-buffer "*Messages*") ;; some random buffer > | (read-string "Test: ")) > | (message "AFTER point %S %S" (current-buffer) (point))) > `---- > > Assuming that *scratch* has a point at something other than 10 and *is visible in a window*, I get this output in Messages > > ,---- > | START point # 2952 > | BEFORE point # 10 > | AFTER point # 2952 > `---- > > I was expecting (point) AFTER to be 100, as it was BEFORE. > > This only happens when `read-string` is called and when `with-current-buffer` is nested, and only when *scratch* is visible in a window. I can't reproduce this, but see switch-to-buffer-preserve-window-point.