From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#32002: 24.4; Scroll bar start, end not correct Date: Mon, 23 Jul 2018 08:51:11 +0200 Message-ID: <5B557ADF.6010007@gmx.at> References: <8280.1531544200@alto> <83r2k6b9cz.fsf@gnu.org> <5B49ADC5.9020006@gmx.at> <83muuky9xs.fsf@gnu.org> <5B543160.7030500@gmx.at> <83sh4bwca6.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1532328613 23740 195.159.176.226 (23 Jul 2018 06:50:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 23 Jul 2018 06:50:13 +0000 (UTC) Cc: 32002@debbugs.gnu.org, kurn@sfu.ca, mkupfer@alum.berkeley.edu To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jul 23 08:50:09 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fhUfY-00060t-2e for geb-bug-gnu-emacs@m.gmane.org; Mon, 23 Jul 2018 08:50:08 +0200 Original-Received: from localhost ([::1]:33063 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhUhd-0005X5-GT for geb-bug-gnu-emacs@m.gmane.org; Mon, 23 Jul 2018 02:52:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhUhR-0005WN-IC for bug-gnu-emacs@gnu.org; Mon, 23 Jul 2018 02:52:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhUhO-0000mF-HG for bug-gnu-emacs@gnu.org; Mon, 23 Jul 2018 02:52:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48000) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fhUhO-0000m6-DA for bug-gnu-emacs@gnu.org; Mon, 23 Jul 2018 02:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fhUhO-0006wj-5Y for bug-gnu-emacs@gnu.org; Mon, 23 Jul 2018 02:52:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 23 Jul 2018 06:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32002 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: fixed Original-Received: via spool by 32002-submit@debbugs.gnu.org id=B32002.153232869326649 (code B ref 32002); Mon, 23 Jul 2018 06:52:02 +0000 Original-Received: (at 32002) by debbugs.gnu.org; 23 Jul 2018 06:51:33 +0000 Original-Received: from localhost ([127.0.0.1]:53014 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fhUgv-0006vl-Cb for submit@debbugs.gnu.org; Mon, 23 Jul 2018 02:51:33 -0400 Original-Received: from mout.gmx.net ([212.227.15.18]:36749) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fhUgs-0006vX-LF for 32002@debbugs.gnu.org; Mon, 23 Jul 2018 02:51:31 -0400 Original-Received: from [192.168.1.101] ([213.162.73.91]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0M70Td-1ftNH12Jdd-00wnJ8; Mon, 23 Jul 2018 08:51:18 +0200 In-Reply-To: <83sh4bwca6.fsf@gnu.org> X-Provags-ID: V03:K1:10oxhZLUCSF3X89VdGlwYVjgu6tXIS6mgnkI2E2rLW35OFZK9v+ TaFJhMpAUy6deXqCB1GtzDOpFMleA80MHMX8Wub0eHHJay7TFOku5/gSJgRbPCWtpelBbaH ORmKmMMapmrIjp9TkPf4LnExFZZASK4D6qBv/o4CdKnndhQcxNH1Xvq9U6ZlCo5j2Y8B8VH x+u/g/FiVeesFTUl65PQg== X-UI-Out-Filterresults: notjunk:1;V01:K0:HMNvkomS420=:py2m+6cGJEeP8vP1+myJW1 c+LPURHE5E/DbEMjOKs/uMIq8m4j8sADuEczonNU3qC4pyDhbEa0h/Cum/OBLb/6y3a7108Pz bRWE3WNtdi622lCiU4l2rGfRpWQKcSq7JKm2dgrarJdNFui+VJ0kTPmKN9n9JjBtXl5wuxNIB Zda7m1wQr0xPW30dRmuEPLU8a9fz0IQXn9OFq1bZ3zWKtxaAgWDWqfEr8qXdt6qlEPk5VDUgW PWAZ111+1g3MRsTfs2n6781G8rpA/+aAUqJGoYI3oG+rCJ6Wf4F39tgMUlI7dbJEg+wphdYpM P4xyIftEjvZxsZr04dERtSBwIFbbNS5aB/l7LMj6nyyk/cSjgu08eEcfmuQx58Dkq/zbISFoB 8Q5AUI4vbC9yc3ggOOwNjJyh+5JqD7DuN5kP3ru6vsVSXt40LBatjvGVQr2lyTdeShIEK2UNS pmSqlEfmA9rFgFzE82GeSKrtm/6PYwvJ6pZN18FkCxYpqstq4Ei7qOWxDk8Ct/v2UUSpiVDFs aqeVKa5IiMGs8ZYb0LVnptJ6mdmDyh+Ch+PJWYCqeFr6Apj0xPnlRsHdLfwy0eSkc01qVC97f cKqJFCxKch3QXcKsjQpLTTD7X2bOZyAo+3OmHK16mdXW2JgYKrcwj5J1JL4QP0Fn5cm5CZGzF v4mpxFDKbk9IBKmoCZKwK6gCzzyoYZACFJ8FluwS0EONGFUF/o56Uq7i+NV347y8dr1RTCrwl HQ8xxSG5vDBhQCFZu9eeaqSLo+flUViDbTqSJ4IooVt2+LNaSAHgSt7LqXh87YTTTRqc2y5u 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: 208.118.235.43 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:148842 Archived-At: >> My knowledge of what scrolling should do is too limited. > > (It seems like I need to put my instructor hat on today ;-) > > Let me fill you in: scrolling just needs to set the window's start > point to the desired value, all the rest is done by redisplay. As > simple as that. Apparently we want scrolling also to second-guess the desired value. So things seem more complicated than that. > (Well, if you need to scroll more than one screenful, then you need to > worry about a few other things, like setting point such that Emacs > won't scroll back to where point is. But this is not one of those > cases, we just scroll by one line here.) Emacs scrolls by more than one line in the case at hand. martin