From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Thu, 09 Apr 2020 15:46:23 -0400 Message-ID: References: <20200403174757.GA8266@ACM> <83blo7v68b.fsf@gnu.org> <1845d7aa-9ae4-3d95-6a30-c7b1d8d8adec@gmx.at> <83a73qt6zs.fsf@gnu.org> <97c4254e-ff43-8402-3645-f713c408c245@gmx.at> <83y2r9syby.fsf@gnu.org> <20200405195753.GG5049@ACM> <542b48ba-4dfa-820f-ba50-4b147ab6d8e2@yandex.ru> <0a5f70aa-4985-8f8d-81d6-6ac4a60a94f9@yandex.ru> <838sj8sphk.fsf@gnu.org> <834ktwsmfw.fsf@gnu.org> <83imibqsmm.fsf@gnu.org> <478c2aab-a5fc-61c2-02e2-2d9846b95273@yandex.ru> <83v9m9nltx.fsf@gnu.org> <4c5ebff1-39ab-3d63-6118-42befc93b862@yandex.ru> <6914ebb2-2dfa-efdc-1181-c42259219bca@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="83297"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: rms@gnu.org, emacs-devel@gnu.org, rudalics@gmx.at, rrandresf@gmail.com, acm@muc.de, Eli Zaretskii To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Apr 09 21:47:35 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 1jMd9D-000LZR-IM for ged-emacs-devel@m.gmane-mx.org; Thu, 09 Apr 2020 21:47:35 +0200 Original-Received: from localhost ([::1]:54758 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMd9C-0000eJ-Jo for ged-emacs-devel@m.gmane-mx.org; Thu, 09 Apr 2020 15:47:34 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:32924) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMd8B-000837-Ks for emacs-devel@gnu.org; Thu, 09 Apr 2020 15:46:32 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMd89-0001bU-3G for emacs-devel@gnu.org; Thu, 09 Apr 2020 15:46:30 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:2313) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jMd87-0001Z4-M1; Thu, 09 Apr 2020 15:46:27 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id B1567810A2; Thu, 9 Apr 2020 15:46:26 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 1A2B280D43; Thu, 9 Apr 2020 15:46:25 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1586461585; bh=3GpdFHXINcr3YwF9cQeKz4h9dqMvZlV/hsV+aLZkXvc=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=OWBL2yZzx1jlrw8aH99OnrR/wLO9IrQbNPQY4Y/sH7iNwpG10kHwiJ43J04nSXAG8 FKBq6cyH9QUNsZf9calc/b4lN4ngmuDojD2RxeZcT7ABx9RMRoWv4aYlYYgRW+X6F4 LXoytSGNPCR1VK41Rq20w/Qo6D9sSKvVX8U3uyivtwpm3HZej45cTw5fnfrqMxiunr bxkakuXE2pQvIBtdhH7a9jzR1cSIOInxSziBrQvjece/YSycKugQ7o0bGQhIZkrtT0 LXaf4hYyK6E2yisb7993gR8+mXDd26989hO+dMOflE6trQ3JFCA2Klauycok2BBJvw eUcUMZgqz03jg== Original-Received: from alfajor (unknown [104.247.241.114]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 6C6A81205FB; Thu, 9 Apr 2020 15:46:24 -0400 (EDT) In-Reply-To: <6914ebb2-2dfa-efdc-1181-c42259219bca@yandex.ru> (Dmitry Gutov's message of "Thu, 9 Apr 2020 22:30:05 +0300") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 132.204.25.50 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:246731 Archived-At: > So thus far fast-but-imprecise-scrolling seems to provide better > behavior. I would love to remove that variable, though, and just tell > people to use jit-lock-defer-time *if* the jit-lock behavior can > be improved. Making (setq jit-lock-defer-time 0) check input-pending-p was a quick hack. It worked well enough to be useful. I agree that it would be good to provide something better, which works harder at trying to make sure that jit-lock is skipped iff redisplay is skipped. Stefan