From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Wed, 22 Apr 2020 22:37:14 -0400 Message-ID: References: <20200403174757.GA8266@ACM> <83zhbcdmyi.fsf@gnu.org> <61f565cd-4fee-d48c-a9ef-b78419b3d058@yandex.ru> <83wo6ed4kb.fsf@gnu.org> <464b5639-7790-fdbc-b519-22a6b0e8c016@yandex.ru> <83o8rqaucp.fsf@gnu.org> <551c7634-f614-c5a7-c089-33a0dc56574d@yandex.ru> <83imhyaqyw.fsf@gnu.org> <3ddcec07-079f-18e8-81a7-76eaf9a8187a@yandex.ru> <83d083ia16.fsf@gnu.org> <83y2qqgrr6.fsf@gnu.org> <837dyagkwm.fsf@gnu.org> <532544ab-55ec-aab9-1c2f-fa0081332401@yandex.ru> <834ktegivn.fsf@gnu.org> <83y2qqf29e.fsf@gnu.org> <83tv1eezyi.fsf@gnu.org> <83r1whezor.fsf@gnu.org> <835zdrfy7n.fsf@gnu.org> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="97832"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org, rudalics@gmx.at, rrandresf@gmail.com, monnier@iro.umontreal.ca, dgutov@yandex.ru, acm@muc.de To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Apr 23 04:38:41 2020 Return-path: Envelope-to: ged-emacs-devel@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 1jRRlA-000PLC-TG for ged-emacs-devel@m.gmane-mx.org; Thu, 23 Apr 2020 04:38:40 +0200 Original-Received: from localhost ([::1]:60960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jRRl9-0006MR-Uz for ged-emacs-devel@m.gmane-mx.org; Wed, 22 Apr 2020 22:38:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56738) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jRRjs-0005By-O5 for emacs-devel@gnu.org; Wed, 22 Apr 2020 22:37:21 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:39151) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jRRjp-00067y-MH; Wed, 22 Apr 2020 22:37:17 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1jRRjm-0007JT-2C; Wed, 22 Apr 2020 22:37:14 -0400 In-Reply-To: <835zdrfy7n.fsf@gnu.org> (message from Eli Zaretskii on Wed, 22 Apr 2020 16:26:36 +0300) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:247559 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > That's currently a very significant requirement throughout > redisplay_window and its subroutine: any result that leaves the > current line (i.e. the line where point is) not completely visible is > rejected, and we select some other window-start point to avoid that. Ok. The text I responded to > > That would mean the last line we scroll into the window will be only > > partially visible, and that is a no-no in scrolling. talks about "the last line we scroll into the window", and _in general_ that is not always the current line. Is it always the current line in the case under discussion? -- Dr Richard Stallman Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)