From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34312: scroll-error-top-bottom and scroll-preserve-screen-position do not work correctly together Date: Mon, 04 Feb 2019 18:21:39 +0200 Message-ID: <83ef8nv818.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="132681"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34312@debbugs.gnu.org To: =?UTF-8?Q?Jaros=C5=82aw_?= =?UTF-8?Q?Rzesz=C3=B3tko?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Feb 04 17:22:23 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gqh0o-000YMK-V9 for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Feb 2019 17:22:23 +0100 Original-Received: from localhost ([127.0.0.1]:45266 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gqh0n-0006sK-Gc for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Feb 2019 11:22:21 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:49536) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gqh0a-0006sD-8f for bug-gnu-emacs@gnu.org; Mon, 04 Feb 2019 11:22:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gqh0U-0006ok-PW for bug-gnu-emacs@gnu.org; Mon, 04 Feb 2019 11:22:08 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60353) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gqh0U-0006oU-MB for bug-gnu-emacs@gnu.org; Mon, 04 Feb 2019 11:22:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gqh0U-0003nG-E3 for bug-gnu-emacs@gnu.org; Mon, 04 Feb 2019 11:22:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Feb 2019 16:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34312 X-GNU-PR-Package: emacs Original-Received: via spool by 34312-submit@debbugs.gnu.org id=B34312.154929732014573 (code B ref 34312); Mon, 04 Feb 2019 16:22:02 +0000 Original-Received: (at 34312) by debbugs.gnu.org; 4 Feb 2019 16:22:00 +0000 Original-Received: from localhost ([127.0.0.1]:59634 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gqh0R-0003mz-V9 for submit@debbugs.gnu.org; Mon, 04 Feb 2019 11:22:00 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:35065) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gqh0Q-0003mn-Ey for 34312@debbugs.gnu.org; Mon, 04 Feb 2019 11:21:58 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:40043) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gqh0L-0006hP-65; Mon, 04 Feb 2019 11:21:53 -0500 Original-Received: from [176.228.60.248] (port=1188 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gqh0K-0007pm-Pm; Mon, 04 Feb 2019 11:21:53 -0500 In-reply-to: (jrzeszotko@gmail.com) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:155082 Archived-At: > From: Jarosław Rzeszótko > > Date: Mon, 4 Feb 2019 15:54:58 +0100 > > (setq scroll-error-top-bottom t) > (setq scroll-preserve-screen-position 'always) > > I open a long file, hit PageDown, then the Down key a few times. Point is at some position X now. I come back > to the beginning of buffer by hitting PageUp twice. The point is now in the top left corner of the window. Here > comes the bug: I hit PageDown and point is moved to position X, rather than to the top left corner of the > portion of the buffer that was just made visible by the scrolling. Maybe I'm missing something, but this is the behavior I'd expect, I wouldn't consider it a bug. Emacs moved point to the top of the buffer only because there was an error. Once the error is gone, it goes back to the remembered screen position. Does anyone else think this is a bug? Thanks.