From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!.POSTED!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.help
Subject: Re: Scrolling jumpy when line-spacing > 0
Date: Fri, 21 Apr 2017 17:44:46 +0300
Message-ID: <83h91hakgx.fsf@gnu.org>
References: <CAP_d_8WAzyGbYTQwqPsQMv1+WZT4S33vHfqh4GjwE=tKJXd6Vw@mail.gmail.com>
	<CAP_d_8WYUFgpSvMgJHBjyhrYy8j5Meo2p0x2FoHqWMmpHNmAJg@mail.gmail.com>
NNTP-Posting-Host: blaine.gmane.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
X-Trace: blaine.gmane.org 1492785872 17826 195.159.176.226 (21 Apr 2017 14:44:32 GMT)
X-Complaints-To: usenet@blaine.gmane.org
NNTP-Posting-Date: Fri, 21 Apr 2017 14:44:32 +0000 (UTC)
To: help-gnu-emacs@gnu.org
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Apr 21 16:44:29 2017
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Envelope-to: geh-help-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 <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1d1ZnR-0004Yd-GH
	for geh-help-gnu-emacs@m.gmane.org; Fri, 21 Apr 2017 16:44:29 +0200
Original-Received: from localhost ([::1]:59994 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1d1ZnX-0004Q8-DQ
	for geh-help-gnu-emacs@m.gmane.org; Fri, 21 Apr 2017 10:44:35 -0400
Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39338)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1d1Zn7-0004Pj-CR
	for help-gnu-emacs@gnu.org; Fri, 21 Apr 2017 10:44:10 -0400
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1d1Zn2-0002I1-CP
	for help-gnu-emacs@gnu.org; Fri, 21 Apr 2017 10:44:09 -0400
Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35707)
	by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@gnu.org>)
	id 1d1Zn2-0002Hx-9F
	for help-gnu-emacs@gnu.org; Fri, 21 Apr 2017 10:44:04 -0400
Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2163
	helo=home-c4e4a596f7)
	by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256)
	(Exim 4.82) (envelope-from <eliz@gnu.org>) id 1d1Zn1-00029F-Km
	for help-gnu-emacs@gnu.org; Fri, 21 Apr 2017 10:44:04 -0400
In-reply-to: <CAP_d_8WYUFgpSvMgJHBjyhrYy8j5Meo2p0x2FoHqWMmpHNmAJg@mail.gmail.com>
	(message from Yuri Khan on Fri, 21 Apr 2017 18:03:43 +0700)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
X-Received-From: 2001:4830:134:3::e
X-BeenThere: help-gnu-emacs@gnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: Users list for the GNU Emacs text editor <help-gnu-emacs.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/help-gnu-emacs/>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=subscribe>
Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Original-Sender: "help-gnu-emacs"
	<help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Xref: news.gmane.org gmane.emacs.help:112841
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/112841>

> From: Yuri Khan <yuri.v.khan@gmail.com>
> Date: Fri, 21 Apr 2017 18:03:43 +0700
> 
> OK, here’s what I came up with, as a kludge.
> 
> (defun yk-scroll-up-line ()
>   (interactive)
>   (let ((last-line-start
>          (save-excursion
>            (goto-char (window-end))
>            (forward-line -1)
>            (point)))

Doesn't pos-visible-in-window-p allow you to compute this more
elegantly, without moving point at all?