From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Mon, 6 Apr 2020 21:39:29 +0300 Message-ID: References: <83k12zz6ds.fsf@gnu.org> <054393f3-3873-ab6e-b325-0eca354d8838@gmx.at> <20200403174757.GA8266@ACM> <20200404104553.GA5329@ACM> <07fe3b69-3ab2-3173-0696-cb17809e2b91@gmx.at> <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> <83tv1xsset.fsf@gnu.org> <5ba98104-7154-972a-743a-9865e10ae3dd@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="108429"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 Cc: rms@gnu.org, emacs-devel@gnu.org, rudalics@gmx.at, rrandresf@gmail.com, acm@muc.de, Eli Zaretskii To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 06 20:40:39 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 1jLWfn-000S89-Gn for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 20:40:39 +0200 Original-Received: from localhost ([::1]:37036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLWfm-00025u-I0 for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 14:40:38 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47437) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLWem-0000we-UK for emacs-devel@gnu.org; Mon, 06 Apr 2020 14:39:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jLWem-0007iB-0m for emacs-devel@gnu.org; Mon, 06 Apr 2020 14:39:36 -0400 Original-Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:33883) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jLWek-0007gc-Kc; Mon, 06 Apr 2020 14:39:34 -0400 Original-Received: by mail-wr1-x431.google.com with SMTP id 65so742906wrl.1; Mon, 06 Apr 2020 11:39:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=i9e7Nyk5SLwUN+fpczSAERvcb1971uvwZenVXlaQPps=; b=eh06DwgRksvTtEacA3QaajKKHoSlKxnTMTMYLlhMcll4m2aiwgrSNreIHY0JogN75C BjwDXMSG8I/tZeORUcC4qoUXKs0NTOHm26q4+bwAqU2vMVrdxapKp2io0Ak9z6xEuOl4 kt48KKJMm8O2zTBIKdmd0ILngoI77pUnEzIt2SG5juskLL7a878tQ6QfJ9se+3Up+XWo Ggc9Pzi5j+Ee6yTSYNoEF2reZLNw9R6P4LZu8HosEocF3ucQhIghBqrR4+rRRuFLvFcH Vj+rXZMXMliyZD26NALmKbaRkvPhRnLw7n9UQs26VFcjNvP5E7fQE2n+0scdGvRrUm9J 78kQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=i9e7Nyk5SLwUN+fpczSAERvcb1971uvwZenVXlaQPps=; b=lUNpujJKHolBkGm48wPkepFIkk3xiq7tNskkLsuSs4DD22QqVRwvo4JlfV+9TICLm7 9mK0nZTN0EhRMqXZLlhy+9B/a9SdonVlaIEHZDHae50LPI65ve480LdiN+0BhhNzb/yf v+QwVIUftECqef5gijYuT+cHiwIE8YOMm36mwb6M/DH2El5xEeTeUSCyDxYJ8fXN50mj 18prPMl/COapbathKnoorbjV65F+9+Y+RfI70fOjrUDbYL5zAfAF/5W6tRhGmtokcn3x O0B3BolaEfrCRHntIf2cxND/JbZtl8wQAAAawCZ8CCMFtHtt16Gjw3ZfS5H3DfhOnQI+ DW9A== X-Gm-Message-State: AGi0PuaTpqARp4jqcFbzwCsmS8sVjWBCZzOZDa4qZaHbbpgVDilnWWzO CPoJnRLt7H6jCeqEK25Q6os= X-Google-Smtp-Source: APiQypJiicENNp881DeGhWMcFwoX0bObuE70G/4ltOtNwWTNpLy+jILXFDP/hKyzYmXzJJIfPAaukg== X-Received: by 2002:a05:6000:143:: with SMTP id r3mr545254wrx.279.1586198373476; Mon, 06 Apr 2020 11:39:33 -0700 (PDT) Original-Received: from [192.168.0.2] ([66.205.73.129]) by smtp.googlemail.com with ESMTPSA id t16sm28591631wra.17.2020.04.06.11.39.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Apr 2020 11:39:31 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::431 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:246553 Archived-At: On 06.04.2020 05:16, Stefan Monnier wrote: >>>> And in this case, IIUC, jit-lock is part of redisplay. >>> Yes, it often is when scrolling. >> So would you agree that short-circuiting and skipping jit-lock while >> somebody leans on C-v is a good idea? > It sounds like a trick question, because what I just described says that > it is what already happens, more or less, and I'm not sure which part of > the difference you're thinking of. We do that when fast-but-imprecise-scrolling is on, right? But with it off (which is the default), fontification functions are still forced to run during every scroll-up command, don't they?