From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#18923: Alternative scrolling model Date: Sun, 02 Nov 2014 20:36:00 +0200 Message-ID: <83zjc9wiun.fsf@gnu.org> References: <87wq7e9zcn.fsf@gmail.com> <87vbmy9wdx.fsf@gmail.com> <87tx2i9vun.fsf@gmail.com> <838ujty6ns.fsf@gnu.org> <87oaspa293.fsf@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1414953445 14332 80.91.229.3 (2 Nov 2014 18:37:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 2 Nov 2014 18:37:25 +0000 (UTC) Cc: 18923@debbugs.gnu.org To: E Sabof Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 02 19:37:18 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Xl01e-0007jy-C3 for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Nov 2014 19:37:18 +0100 Original-Received: from localhost ([::1]:58880 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xl01d-0000qw-WA for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Nov 2014 13:37:18 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47289) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xl01V-0000mU-Cg for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 13:37:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xl01P-00056j-5p for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 13:37:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:49147) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xl01P-00056X-2U for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 13:37:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Xl01O-0002x3-6g for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 13:37:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Nov 2014 18:37:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18923 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18923-submit@debbugs.gnu.org id=B18923.141495338111292 (code B ref 18923); Sun, 02 Nov 2014 18:37:02 +0000 Original-Received: (at 18923) by debbugs.gnu.org; 2 Nov 2014 18:36:21 +0000 Original-Received: from localhost ([127.0.0.1]:46360 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xl00i-0002w3-Vy for submit@debbugs.gnu.org; Sun, 02 Nov 2014 13:36:21 -0500 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:37531) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xl00g-0002vn-V5 for 18923@debbugs.gnu.org; Sun, 02 Nov 2014 13:36:20 -0500 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0NEF00I00CRS2300@a-mtaout20.012.net.il> for 18923@debbugs.gnu.org; Sun, 02 Nov 2014 20:36:12 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NEF00HNZD0CK790@a-mtaout20.012.net.il>; Sun, 02 Nov 2014 20:36:12 +0200 (IST) In-reply-to: <87oaspa293.fsf@gmail.com> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:95394 > From: E Sabof > Cc: 18923@debbugs.gnu.org > Date: Sun, 02 Nov 2014 18:25:28 +0000 > > > . the auto-window-vscroll variable > > I think the variable would no longer be useful with this approach. In that case, we should deprecate it. I see it being used at least in Gnus. > > There's also a bug when scrolling near the end of buffer: the result > > is that the cursor us shown on a line beyond EOB, which should never > > happen. > > I've noticed this. The point flashes at a wrong position, and then goes > back to "legal" position. It doesn't go back on my system, unless I move point in some way. > I thought this was a display engine bug. It could be that. > I'm aware of some inefficiencies in my code. My guess probably doesn't > mean much, but maybe something along 2X could be achieved. Speeding up twice might be all we need to get a reasonably fast implementation.