From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Wed, 03 Aug 2022 14:54:19 +0300 Message-ID: <83les55yqc.fsf@gnu.org> References: <83v8rf5894.fsf@gnu.org> <65cb7c73fd4a999cca00@heytings.org> <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <6ea376f6-d503-06d8-6d83-50c52b695394@yandex.ru> <8c7321f2f3ac52bfee4b@heytings.org> <8c7321f2f3ec1ef81af9@heytings.org> <02e83b0e-1b5c-fe75-6e59-1f8ddff82d37@yandex.ru> <96f28fd8-6744-1925-0631-0095099362dd@yandex.ru> <74ddc877f1e81f399eea@heytings.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="708"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, gregory@heytings.org, dgutov@yandex.ru To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 03 13:55:33 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 1oJCyL-000AXv-59 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 13:55:33 +0200 Original-Received: from localhost ([::1]:52386 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJCyJ-0000Wn-Tg for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 07:55:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54640) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJCxr-000098-N4 for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 07:55:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56561) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJCxq-0007wk-EM for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 07:55:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJCxq-0002cj-5c for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 07:55:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 03 Aug 2022 11:55:02 +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=B56682.165952767510046 (code B ref 56682); Wed, 03 Aug 2022 11:55:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 3 Aug 2022 11:54:35 +0000 Original-Received: from localhost ([127.0.0.1]:46310 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJCxP-0002bx-6g for submit@debbugs.gnu.org; Wed, 03 Aug 2022 07:54:35 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:41550) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJCxK-0002bk-Gd for 56682@debbugs.gnu.org; Wed, 03 Aug 2022 07:54:33 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:41002) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJCxF-000768-1C; Wed, 03 Aug 2022 07:54:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=eubELREPWHs5zavKnnF5P2TaTWiXThjdo94aps/ExlE=; b=EkS2QMQEqEOn E0ILY11EOcd1QqCtphtoRzugnxl0MAFTbDgg3NLAfNvLx56wka8zw8HJxqm2jL8CkHcyNRiReAQ7c 52iKlknhdy+zMhh80brwjIS8JJ8fH3UMUvZnvbmDoHP5+cCBJhxDudoRosDtd4VcGFo0giIAq4AFV kwYqmNQ+e57mSR5VQ30uxKQeq1mCvl1+VwQVcJPKDhWsJhjpSD9EeC5G2Ojll7KqTuK9ZGGw0d8c0 ntBnIZdEe4Zg9F7IVPBKWsTfePdtJRiFkYC+IU/BA/wyjLGABo50vkrt+v96YDtGazaRLJUA9c1L8 dzihwqd6Tv6RG+IYvitdyg==; Original-Received: from [87.69.77.57] (port=3348 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJCxE-0004n3-MX; Wed, 03 Aug 2022 07:54:24 -0400 In-Reply-To: (message from Stefan Monnier on Tue, 02 Aug 2022 18:26:51 -0400) 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:238634 Archived-At: > From: Stefan Monnier > Cc: Dmitry Gutov , 56682@debbugs.gnu.org, Eli Zaretskii > > Date: Tue, 02 Aug 2022 18:26:51 -0400 > > I strongly disagree with the necessity to make re-widening > technically impossible, I find it fundamentally incompatible with > Emacs's philosophy and can't see any practical justification here. > Just narrow and make sure jit-lock.el and font-lock.el don't > accidentally widen it. What do you mean by "accidentally" in this context? A program rarely does anything "accidentally", it almost always does what the programmer wanted it to do.