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, 07 Aug 2022 00:44:14 +0000 Message-ID: <6ae35c9306049a1da808@heytings.org> References: <8c7321f2f336523624e3@heytings.org> <83r1202meh.fsf@gnu.org> <6020ffaf-9069-0070-76cf-a13379ef01b5@yandex.ru> <83les71ilg.fsf@gnu.org> <06c5560d-3009-e5a5-3d33-fe5d2ec32d6b@yandex.ru> <74ddc877f17a06d8f120@heytings.org> <100d08b3-c25b-683f-6def-39052107ab59@yandex.ru> <83h72r16g1.fsf@gnu.org> <640c2e07-98e1-96d6-bb02-19f5f03f637f@yandex.ru> <834jyq29o1.fsf@gnu.org> <92da07bd028e3ede61a6@heytings.org> <47894c57-dd8b-5778-240a-3fa6540e4d37@yandex.ru> <92da07bd02941d5537e9@heytings.org> <5308e3b5-a160-17d7-77ee-b1d00acfa20d@yandex.ru> <92da07bd02a6cc861e1a@heytings.org> <837d3lzv8n.fsf@gnu.org> <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@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="27913"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , monnier@iro.umontreal.ca To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 07 02:45:47 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 1oKUQM-000750-Au for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 07 Aug 2022 02:45:46 +0200 Original-Received: from localhost ([::1]:47448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oKUQK-0007QI-RB for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 06 Aug 2022 20:45:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57858) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKUPe-0007Po-Dp for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 20:45:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45942) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oKUPe-0006H0-3f for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 20:45:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oKUPd-0004xo-Qm for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 20:45:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 07 Aug 2022 00:45:01 +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=B56682.165983305719010 (code B ref 56682); Sun, 07 Aug 2022 00:45:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 7 Aug 2022 00:44:17 +0000 Original-Received: from localhost ([127.0.0.1]:35691 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oKUOu-0004wY-PH for submit@debbugs.gnu.org; Sat, 06 Aug 2022 20:44:16 -0400 Original-Received: from heytings.org ([95.142.160.155]:42402) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oKUOt-0004wQ-4f for 56682@debbugs.gnu.org; Sat, 06 Aug 2022 20:44:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659833054; bh=zvnuhoVgpiKqFqhKH80paVPFwbSuU0DUaS4ZK32/UJU=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=xdeeCfbPRQ92potXxwS72ERIRuy/hlOkpRAiq+ZxXW/SnEQk8tuVbdF8eQGXBL18o NwZ4q0Rt09ljx1+ZkEHIPfi658NhqrJcd21TL53cHj9vk7bNKPqx9u65pOyfcAF8T+ Z1qLm2ECzcTJFCYPsj3JzvkJLBO3NLRZNFi52Rbo4aitutSAozEgFTmoUE2WRacJS+ bVCmOuV0Tw8+wfnPV9bpbJnCLtbrKArABzdG6dnA2w0f/iTqb/MuN2AYxOTgp/HjDG OY37GQe8WnuWObnz8PC4Hp9HYf7DaVfLSs9Tey27oMdclLSUucSCZv5lbUwbM12aiD 5cQ8KWCXlDMeA== In-Reply-To: <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@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:239011 Archived-At: > > The sole (big) exception is CC Mode, but its internals aren't compatible > with the current forced narrowing either, and Gregory said it's not > important in the context of long lines or large files anyway. > I did not say that, no. What I can say is that the way CC Mode (ab)uses font locking is very unfortunate, and that it is indeed, as far as I can tell, incompatible with locked narrowing.