From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.devel Subject: Re: Emacs design and architecture. How about copy-on-write? Date: Fri, 22 Sep 2023 10:51:56 +0000 Message-ID: <878r8yxyyb.fsf@localhost> References: <99e84ae7-b3aa-a009-5cb8-a75826343196@gutov.dev> <838r92cgxp.fsf@gnu.org> <837comcam8.fsf@gnu.org> <6946e6f0-c6ef-186c-35d4-c09935c05a07@gutov.dev> <83y1h1axtq.fsf@gnu.org> <87sf79rq5o.fsf@yahoo.com> <83fs38c2yv.fsf@gnu.org> <83o7hw9ee1.fsf@gnu.org> <87il84q845.fsf@yahoo.com> <83il849bx6.fsf@gnu.org> <87a5tfri8c.fsf@yahoo.com> <878r8z27cs.fsf@localhost> <44e98df7-f683-ac07-e644-40757f1d26f9@gutov.dev> <87msxfzts6.fsf@localhost> <837cojadg2.fsf@gnu.org> <33e6ecd3-8f1c-fa02-b5fc-bb39c87b53d7@gutov.dev> <83v8c38wtz.fsf@gnu.org> <372e203e-f455-5c1c-d730-bceaf1168f60@gutov.dev> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16766"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , luangruo@yahoo.com, acm@muc.de, incal@dataswamp.org, emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 22 12:51:08 2023 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 1qjdka-00046S-6q for ged-emacs-devel@m.gmane-mx.org; Fri, 22 Sep 2023 12:51:08 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qjdkG-00071B-Rw; Fri, 22 Sep 2023 06:50:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qjdkD-000711-RI for emacs-devel@gnu.org; Fri, 22 Sep 2023 06:50:45 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qjdkC-0004Au-67 for emacs-devel@gnu.org; Fri, 22 Sep 2023 06:50:45 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id AFF0A240101 for ; Fri, 22 Sep 2023 12:50:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1695379842; bh=/y4W6r1rqC/+3E+xfRIW+uWTJViUf3y8i//L4JlQheU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:From; b=Oo1WJiWj7sx+2P65kaRFTQZJvvwzivjytxMYJZbT27frxHQTwpNcBmoeZj6nB5vxX Qndeq9RpTNx109ovLs7i8xTycsmOCgZ3DfEnn6kXoFQjUgqY9KgWUun6U+Wdz4nilS hUcgpIaeHanO4hYplGGiGkfLSY+hXlDjHuKA9IAnQdKF0AQeUHAIpt5eZne9RUe4E/ k9RBUz8u8XSa72JICgUueFxWziPbCuXD0aRS8tqcJwcbYTUuKfDiQ1aibKa2K84b/8 4i8crIKXbALdOkFTWzXyTTtX0GUdry1kRJ14tGKsVwX2bm9QJEZZk1UUlMRWjJI8T5 K7/loEoBsNMwA== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4RsTZT0hTHz9rxP; Fri, 22 Sep 2023 12:50:40 +0200 (CEST) In-Reply-To: <372e203e-f455-5c1c-d730-bceaf1168f60@gutov.dev> Received-SPF: pass client-ip=185.67.36.66; envelope-from=yantar92@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:310949 Archived-At: Dmitry Gutov writes: > - If a web page is complex enough, and I scroll it down after opening > very quickly, it can happen so Firefox doesn't manage to render the page > quickly enough, perhaps due to other load. When that happens, it shows > the bottom of the page in a sort of blurry haze (which is replaced as > soon as it's ready). Overall, it feels good enough usability-wise, > because it doesn't look jerky or "blinky" or etc. And of course it's a > rare occasion overall. I think that partial rendering of a buffer might be actually tricky. In particular, when user tries to "move into" the not-yet-rendered part of the buffer. Many point motion commands re-use parts of the display code to determine where to move the point to. I am not sure how to address such situation without blocking Emacs. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at