From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: charles@aurox.ch (Charles A. Roelli) Newsgroups: gmane.emacs.bugs Subject: bug#34723: 27.0.50; customize and improve diff-mode recentering Date: Tue, 05 Mar 2019 21:37:32 +0100 Message-ID: References: <8336o1e33w.fsf@gnu.org> <83r2blcdj2.fsf@gnu.org> Reply-To: charles@aurox.ch Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="247512"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34723@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Mar 05 21:26:14 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 1h1Gdh-0012FT-Tr for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Mar 2019 21:26:14 +0100 Original-Received: from localhost ([127.0.0.1]:48831 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h1Gdg-0007hZ-NI for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Mar 2019 15:26:12 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52199) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h1GdW-0007hH-MQ for bug-gnu-emacs@gnu.org; Tue, 05 Mar 2019 15:26:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h1GdW-00056A-1d for bug-gnu-emacs@gnu.org; Tue, 05 Mar 2019 15:26:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48196) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h1GdV-000563-Tc for bug-gnu-emacs@gnu.org; Tue, 05 Mar 2019 15:26:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1h1GdV-0007GK-Ot for bug-gnu-emacs@gnu.org; Tue, 05 Mar 2019 15:26:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: charles@aurox.ch (Charles A. Roelli) Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Mar 2019 20:26:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34723 X-GNU-PR-Package: emacs Original-Received: via spool by 34723-submit@debbugs.gnu.org id=B34723.155181752527874 (code B ref 34723); Tue, 05 Mar 2019 20:26:01 +0000 Original-Received: (at 34723) by debbugs.gnu.org; 5 Mar 2019 20:25:25 +0000 Original-Received: from localhost ([127.0.0.1]:33507 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h1Gcv-0007FW-0T for submit@debbugs.gnu.org; Tue, 05 Mar 2019 15:25:25 -0500 Original-Received: from nestroy.aurox.ch ([82.195.237.20]:35352) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h1Gcs-0007FJ-Q2 for 34723@debbugs.gnu.org; Tue, 05 Mar 2019 15:25:23 -0500 Original-Received: from nestroy.aurox.ch (nestroy.aurox.ch [127.0.0.1]) by nestroy.aurox.ch (Postfix) with ESMTP id 44DT0X1DvMzlrC for <34723@debbugs.gnu.org>; Tue, 5 Mar 2019 20:25:16 +0000 (UTC) Authentication-Results: nestroy.aurox.ch (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)" header.d=aurox.ch DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aurox.ch; h= references:reply-to:subject:subject:in-reply-to:to:from:from :message-id:date:date; s=dkim2; t=1551817515; x=1554409516; bh=+ qWEEWxMQhYdII1Uai2vAu+gMYJcXmmYvjvtSpAUIgI=; b=r1BfvK/UlQv/Yx79Q c+G+rIuVNTvVGubFYNGoAu3p85H0dwDua0YFWoY3Xjv95nu35Mfg/rZiSErtFqOy cgA6+4ptI6eNX2KBSQzrogGZ9WpXgBxau5sGHP9zZXyrG2+RX9N08x1ZfR4xhYwt O78KXIhEDs/8pKAcmjKhhNtYkU= X-Virus-Scanned: Debian amavisd-new at nestroy.aurox.ch Original-Received: from nestroy.aurox.ch ([127.0.0.1]) by nestroy.aurox.ch (nestroy.aurox.ch [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id QK1tg1SqGYvL for <34723@debbugs.gnu.org>; Tue, 5 Mar 2019 20:25:15 +0000 (UTC) Original-Received: from gray (unknown [IPv6:2a02:1206:4512:5f50:c62c:3ff:fe30:b864]) by nestroy.aurox.ch (Postfix) with ESMTPSA id 44DT0W1B0szlr5; Tue, 5 Mar 2019 20:25:15 +0000 (UTC) In-reply-to: <83r2blcdj2.fsf@gnu.org> (message from Eli Zaretskii on Tue, 05 Mar 2019 21:44:01 +0200) 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:156070 Archived-At: > Date: Tue, 05 Mar 2019 21:44:01 +0200 > From: Eli Zaretskii > CC: 34723@debbugs.gnu.org > > I don't understand what calling 'recenter' has to do with > scroll-conservatively. And scroll-conservatively is implemented in > the display engine, so I'm afraid I'm still in the dark regarding the > nature of the problem you are discussing. Does the following scenario make some sense? diff-hunk-next moves point to a position beyond (window-end), and immediately calls (recenter '(0)). Scrolling (which would otherwise respect scroll-conservatively) gets preempted by diff-hunk-next's call to recenter. > Of course, if you know what to do to fix the problem, there's no need > for me to understand the issue, and I should just shut up and let you > do what you think is right. (Please don't, I will almost certainly screw it up. ;-)