From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#51776: revert-buffer causes spurious scrolling when the buffer is displayed in two windows. Date: Thu, 11 Nov 2021 21:21:49 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19676"; mail-complaints-to="usenet@ciao.gmane.io" To: 51776@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 11 22:22:34 2021 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 1mlHWj-0004zK-Sp for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 11 Nov 2021 22:22:33 +0100 Original-Received: from localhost ([::1]:38668 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlHWi-0005iQ-HE for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 11 Nov 2021 16:22:32 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38316) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlHWE-0005IL-Ex for bug-gnu-emacs@gnu.org; Thu, 11 Nov 2021 16:22:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59141) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mlHWE-0004jz-6u for bug-gnu-emacs@gnu.org; Thu, 11 Nov 2021 16:22:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mlHWD-0004Zm-Vq for bug-gnu-emacs@gnu.org; Thu, 11 Nov 2021 16:22:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 11 Nov 2021 21:22:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 51776 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.163666571717577 (code B ref -1); Thu, 11 Nov 2021 21:22:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 11 Nov 2021 21:21:57 +0000 Original-Received: from localhost ([127.0.0.1]:42454 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlHW9-0004ZR-5U for submit@debbugs.gnu.org; Thu, 11 Nov 2021 16:21:57 -0500 Original-Received: from lists.gnu.org ([209.51.188.17]:39630) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlHW6-0004ZJ-Rd for submit@debbugs.gnu.org; Thu, 11 Nov 2021 16:21:55 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38310) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlHW6-0005Es-Mr for bug-gnu-emacs@gnu.org; Thu, 11 Nov 2021 16:21:54 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:10421 helo=mail.muc.de) by eggs.gnu.org with smtp (Exim 4.90_1) (envelope-from ) id 1mlHW4-0004ix-Qq for bug-gnu-emacs@gnu.org; Thu, 11 Nov 2021 16:21:54 -0500 Original-Received: (qmail 23109 invoked by uid 3782); 11 Nov 2021 21:21:50 -0000 Original-Received: from acm.muc.de (p4fe159a8.dip0.t-ipconnect.de [79.225.89.168]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 11 Nov 2021 22:21:49 +0100 Original-Received: (qmail 9900 invoked by uid 1000); 11 Nov 2021 21:21:49 -0000 Content-Disposition: inline X-Submission-Agent: TMDA/1.3.x (Ph3nix) X-Primary-Address: acm@muc.de Received-SPF: pass client-ip=193.149.48.1; envelope-from=acm@muc.de; helo=mail.muc.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.bugs:219689 Archived-At: Hello, Emacs. In the master branch: (i) emacs -Q (ii) C-x C-f ..../doc/lispref/display.texi (iii) C-x 2 ; to split the windows with a horizontal divider. (iv) Move to the "top" window (if not already there) with C-x o. (v) M-< ; to the beginning of the buffer (vi) After the line "@Chapter Emacs Display", insert a new line "@node Display2" (vii) Move to the "bottom" window with C-x o. (viii) M-> ; to the end of the buffer. (ix) Type a new last line "@cindex Help!". (x) M-x revert-buffer RET yes RET The "bottom" window now spuriously scrolls to the top of the buffer. This is a bug. -- Alan Mackenzie (Nuremberg, Germany).