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: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Fri, 10 Apr 2020 17:38:18 +0300 Message-ID: <8b7c5a53-6c86-d351-70df-88f4c017cf84@yandex.ru> References: <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> <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> <83369co48t.fsf@gnu.org> <831rovoou1.fsf@gnu.org> 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="60765"; 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, monnier@iro.umontreal.ca, acm@muc.de To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Apr 10 16:39:59 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 1jMup4-000Fft-GB for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 16:39:58 +0200 Original-Received: from localhost ([::1]:35208 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMup3-0007O5-HZ for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 10:39:57 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52003) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMunY-0005ps-SE for emacs-devel@gnu.org; Fri, 10 Apr 2020 10:38:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMunX-0001KA-Sq for emacs-devel@gnu.org; Fri, 10 Apr 2020 10:38:24 -0400 Original-Received: from mail-wr1-x42c.google.com ([2a00:1450:4864:20::42c]:36008) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jMunX-0001Jx-MH; Fri, 10 Apr 2020 10:38:23 -0400 Original-Received: by mail-wr1-x42c.google.com with SMTP id u13so2025013wrp.3; Fri, 10 Apr 2020 07:38:23 -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=LSNtGPV/bbS61Nu7tv4IOMZtvnnJga4+EfKZku6csms=; b=MpJfi5QIiGhsZNSIKHILOdP/k63Qw1lv63D4/vVwALWg1x6tv9ZiPxYnt4jkY2GkRm A5X4p5rsvxKtfVpftbntLeq7mGpbBH0QQnGb3qkZlxqYwbaS/4TUccb2tKg4RhwVClau 8eA6Py7RGHVwb0DEJjs8k9kv14zVMI8+scU+IWGkClkS8VmShhBK97S3vMOErHnbuA8H xrZYz20I6APZ59XvbvYB7ThbwZapN8iakxL+tHhFuo+2+DWjfPVSS7yVtjB7gnJT1ERX p2EHrs+o2uTZML9zxs6hOb6/fkHTRwDb6xF2NEDxTfd+4A3uOenfIxfQTfNvw+UvZqIo we4Q== 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=LSNtGPV/bbS61Nu7tv4IOMZtvnnJga4+EfKZku6csms=; b=E7T00K+nGko4NtOFq23bIsJoAxTvrHoV7jyNE22E4rEzgjaUaRZBFpVeMqQ3tKhyu/ Zk9nhTZxtvC3YfMzhsmQT9ok5xJDDC3448KOTf/fGXwQ87IXb/om42bdDyyy9z+pe/w2 2MA7ShREsEesoisXwod75pKF9DxgRsti2YdbJcYrZrTUioltsnvSO1hyVfn7KqC7KYiW PuxN6h6w3+G1p6EYV3c98lCwG90A0phHtrvhjCLGq453ZhW3R5po6fvRIpX+CSp7H9S9 Go7y5+zRNQrhr4xTo/Z1Bm7QblbRUbe1BcJtlb7kksQ6zHBIh0v5iMe2R9aLT5Iq/vl+ EcWg== X-Gm-Message-State: AGi0Pubo5eOZo+kAMp6Z6/fxW4e0+n9A00MAOwyhTiO6Ttads8p0Tq68 ebMXqgpw0DYDFzoM9DZzWQoKKY7pI7k= X-Google-Smtp-Source: APiQypKSk6GgjDZMGTCQXsNns8mZ1fUHiOx3maU3CarjyDW+6bdOeLQC47+NObKBt3rccBSENmKbuw== X-Received: by 2002:a5d:5143:: with SMTP id u3mr5166824wrt.64.1586529502517; Fri, 10 Apr 2020 07:38:22 -0700 (PDT) Original-Received: from [192.168.0.2] ([66.205.73.129]) by smtp.googlemail.com with ESMTPSA id b82sm3309005wmh.1.2020.04.10.07.38.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Apr 2020 07:38:21 -0700 (PDT) In-Reply-To: <831rovoou1.fsf@gnu.org> 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::42c 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:246760 Archived-At: On 10.04.2020 09:08, Eli Zaretskii wrote: >> Cc:monnier@iro.umontreal.ca,acm@muc.de,rudalics@gmx.at, >> rrandresf@gmail.com,rms@gnu.org,emacs-devel@gnu.org >> From: Dmitry Gutov >> Date: Thu, 9 Apr 2020 22:28:12 +0300 >> >> On 09.04.2020 22:20, Eli Zaretskii wrote: >>> Which is why I don't think using 0 is such a good idea. >> None of the non-nil values look sufficiently usable to me. > What values did you try? > > Both 0.1 and 0.25 work for me: scrolling is continuous, without any > flickering and without any fontifications of the screenfuls that I > scroll across, and the only times scrolling pauses for a brief moment > is when Emacs GCs. Same. We just have different definitions of the word "usable". I think I've explained mine.