From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Sun, 31 Jul 2022 22:50:23 +0000 Message-ID: <8c7321f2f368e8dd096d@heytings.org> References: <837d46mjen.fsf@gnu.org> <8a3eaeef01be5bfaa5ef@heytings.org> <05388e8d8812bfa3695d@heytings.org> <83v8rf5894.fsf@gnu.org> <65cb7c73fd4a999cca00@heytings.org> <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <6ea376f6-d503-06d8-6d83-50c52b695394@yandex.ru> <8c7321f2f3ac52bfee4b@heytings.org> <2f7eeea3-6ba9-d2c2-1fb9-dd40d2de2002@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24344"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Stefan Monnier To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 01 00:51:10 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1oIHmA-0006AU-8d for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 Aug 2022 00:51:10 +0200 Original-Received: from localhost ([::1]:60948 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIHm9-0000Qf-5W for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 Jul 2022 18:51:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35996) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIHm3-0000Pb-22 for bug-gnu-emacs@gnu.org; Sun, 31 Jul 2022 18:51:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49037) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oIHm2-0003jt-NY for bug-gnu-emacs@gnu.org; Sun, 31 Jul 2022 18:51:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oIHm2-00084E-Dt for bug-gnu-emacs@gnu.org; Sun, 31 Jul 2022 18:51:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 31 Jul 2022 22:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56682 X-GNU-PR-Package: emacs Original-Received: via spool by 56682-submit@debbugs.gnu.org id=B56682.165930782730945 (code B ref 56682); Sun, 31 Jul 2022 22:51:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 31 Jul 2022 22:50:27 +0000 Original-Received: from localhost ([127.0.0.1]:38786 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oIHlS-000832-NZ for submit@debbugs.gnu.org; Sun, 31 Jul 2022 18:50:26 -0400 Original-Received: from heytings.org ([95.142.160.155]:32876) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oIHlQ-00082o-Ut for 56682@debbugs.gnu.org; Sun, 31 Jul 2022 18:50:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659307824; bh=lAxIHyHcTwf8y+7y9+QOJunQKesbrPNyev9MeNLDXWY=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=KdhEATz69vnLs1YBkcIgMyCe10XDkWk1dmrFaYgdVZm8lrvHzx1VDeL768Evmwz/l oH9gBl6YnWuxH3tAmkQDsCtgF/3ZuTEDc65hyDqAuTOtuu8Sbvu7z5lb/9lrbZeLtW 35LVAxA8hYVOplMacegrArnjGzLbChxWcwRz+qhZOVlgUebvXYBZ0ffd4hpIaep9P2 ryzI8YgFx9/3wvseGiQ8eTLrfBeEbZvEDATkWvr3Jz9sqoHSD6u9nzW0wr3KCesi0v w8ZRS66HsrrJoSfX7+7YPZjXuSuv5VOssIqDafUQv3Rlyu2IZdiPBapZ8ZQNSd69G6 UFCEJJYN3s5wg== In-Reply-To: <2f7eeea3-6ba9-d2c2-1fb9-dd40d2de2002@yandex.ru> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:238375 Archived-At: > > But one big slow scan (and how slow it is actually depends on a > particular major mode) followed by responsive editing sounds much better > than what we've had before. > Indeed. But then the question is: is it possible to do that scan while opening the file, before it becomes editable? It is way better to wait a few seconds more while the file is being opened than to wait before two basic motion commands when the file is already opened. > > So I would recommend against trying to solve this part right now. > It doesn't only solve the syntax-ppss problem, it also makes flyspell-mode usable in such files, for example.