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: Mon, 15 Aug 2022 21:47:25 +0000 Message-ID: <3a1232a17b1bcbddd835@heytings.org> References: <5308e3b5-a160-17d7-77ee-b1d00acfa20d@yandex.ru> <92da07bd02a6cc861e1a@heytings.org> <837d3lzv8n.fsf@gnu.org> <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@yandex.ru> <83mtcgy44k.fsf@gnu.org> <83k07jx5jn.fsf@gnu.org> <866e510d-a060-7daa-d002-97861d056fa7@yandex.ru> <1144021660321893@iva5-64778ce1ba26.qloud-c.yandex.net> <12348081660379417@sas2-a098efd00d24.qloud-c.yandex.net> <66bbbb95983414e79637@heytings.org> <83wnb9hadb.fsf@gnu.org> <395454dd-7238-c5d0-e924-2f65a186baa7@yandex.ru> <83r11hh4pm.fsf@gnu.org> <3a1232a17b09ce88af40@heytings.org> <4ebdfdc3-4aeb-7ebb-b5ba-43b5c9b0aaa1@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11580"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Dmitry Gutov To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 15 23:48:42 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 1oNhwv-0002jr-Rp for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 23:48:41 +0200 Original-Received: from localhost ([::1]:39022 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNhwu-0004Kp-55 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 17:48:40 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40148) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNhwI-0004KE-DM for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 17:48:24 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54510) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNhwI-0005hn-5K for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 17:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oNhwH-0008K9-Pk for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 17:48:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 15 Aug 2022 21:48:01 +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=B56682.166060005031840 (code B ref 56682); Mon, 15 Aug 2022 21:48:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 15 Aug 2022 21:47:30 +0000 Original-Received: from localhost ([127.0.0.1]:44259 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNhvl-0008HT-T8 for submit@debbugs.gnu.org; Mon, 15 Aug 2022 17:47:30 -0400 Original-Received: from heytings.org ([95.142.160.155]:54788) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNhvj-0008HK-8X for 56682@debbugs.gnu.org; Mon, 15 Aug 2022 17:47:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1660600046; bh=LaEuV24gJl7Q4PEJSPbbqLmyZEcits8XTsEgIiE9KFE=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=pfrwiyxG/YNghaaYSJMy4nTYlDbR7pAj1mELPf0Dn+5wANkKnurjEGzT5aCo5i88l yv7X7mRsmUCndWqkuF2ZxZ5T5ZHGFQ5Qp/WxAiMpwfefX4Wu5d2/L4+bTFKXEwvEom G/NrvWBrGqxPbOxVBxfsmYkij5GH5YjfCDLoY1jC0rZT66zEkgxVs7SMJAN3elNbU3 DYBh5FUD1//qaXoKlKBJl9kaffIWtfW4y8WmLZuEWpPTR9FUsACZYsQcrNnwLjDrZy nDUwVsINMg8MGVM+ufgb6AxQzyMX6Vx5ENxJSFNOA7I3GFehC3XNWKW3igmAeRY8XJ 8g0yOQ4qk+XsQ== In-Reply-To: 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:239846 Archived-At: >>> FWIW, I strongly object to the addition of such a variable (unless it >>> is clearly stated that it is added temporarily and should not be used >>> except for testing purposes). >>> >>> Adding such a variable only two weeks after locked narrowing has been >>> introduced means that modes will have little incentive to adapt to >>> that stronger constraint, if they can "fix" whatever problems that >>> constraint might cause by setting that variable to nil in their >>> initialization hooks. >> >> I don't think major modes would take advantage of that var. I hope not, >> at least. > > I wouldn't mind because if things get slow, we get to point the finger > squarely at the culprit. > If it is clearly stated that it should only be used for testing/debugging purposes, yes. Otherwise it's just another variable that anyone can use as they see fit.