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: Thu, 04 Aug 2022 15:25:46 +0000 Message-ID: <3d639ea1262195797791@heytings.org> References: <8335esjppt.fsf@gnu.org> <837d43j198.fsf@gnu.org> <83y1wjhkkh.fsf@gnu.org> <83wnc3hkdg.fsf@gnu.org> <49df74e5-e16a-a532-98d1-66c6ff1eb6c6@yandex.ru> <83pmhuft5a.fsf@gnu.org> <05388e8d8836c2e7ef3e@heytings.org> <136c4fe0fcb9ce5181cb@heytings.org> <3d639ea12689d767ba2a@heytings.org> <838ro44fc8.fsf@gnu.org> <3d639ea126d759bddfea@heytings.org> <83y1w42vp4.fsf@gnu.org> <3d639ea12618e6a503af@heytings.org> <83wnbo2uw3.fsf@gnu.org> <3d639ea126e3a4d880b8@heytings.org> <83k07o2izh.fsf@gnu.org> <83iln82i8q.fsf@gnu.org> 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="15711"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, 56682@debbugs.gnu.org, monnier@iro.umontreal.ca, dgutov@yandex.ru To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 04 17:26:43 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 1oJckE-0003v7-1K for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 04 Aug 2022 17:26:42 +0200 Original-Received: from localhost ([::1]:41440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJckD-0003O4-26 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 04 Aug 2022 11:26:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53960) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJcja-0002oI-IM for bug-gnu-emacs@gnu.org; Thu, 04 Aug 2022 11:26:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36407) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJcja-0007cx-8i for bug-gnu-emacs@gnu.org; Thu, 04 Aug 2022 11:26:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJcja-0005Mb-4t for bug-gnu-emacs@gnu.org; Thu, 04 Aug 2022 11:26:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 04 Aug 2022 15:26:02 +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=B56682.165962674920597 (code B ref 56682); Thu, 04 Aug 2022 15:26:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 4 Aug 2022 15:25:49 +0000 Original-Received: from localhost ([127.0.0.1]:54389 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJcjN-0005M7-JS for submit@debbugs.gnu.org; Thu, 04 Aug 2022 11:25:49 -0400 Original-Received: from heytings.org ([95.142.160.155]:38926) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJcjL-0005Lz-K6 for 56682@debbugs.gnu.org; Thu, 04 Aug 2022 11:25:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659626746; bh=gGYWCHesGbKcfgmx/RTOYDvavjT4LYLnTajMaABc9VM=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=GqT/k101J4pNnb5RNwQHTA+Dn7ZSB/Kh4ka6UW9jGWhAXwep5EBQW2x5l5AAR6jz1 qupSSnJb9tpbMomWkx9mWB8OWd1O+KV0fpRaljy3HhnWbtty9VjubXpVG8xBufAxnx ajsh9OjC4H/r2atZVtxjviS7SGrIjECu6ZHDgv+M7UaIv1zhwMVkPkYzivpjtWfQxT 7rSnvDhVAJmw4wldrcCk4I07flylvIN9KiVOzYQIta96G0JeCM9ov3cU0nlCSKKKmV aGmwZ/O45+eJ4TddWDzkiSMYJa2dX/ND5ggMWhuhmwp1H/xVMbhtwuVaW90CBxj1GN mLQ6/SfQ0dwLg== In-Reply-To: <83iln82i8q.fsf@gnu.org> 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:238760 Archived-At: > > Just before the Devanagari portion of the file, there's the Hebrew > portion, starting around buffer position 3243400. If you go there and > try the same navigation commands that were slow with Arabic, are they as > slow with Hebrew (which is also a right-to-left script, but doesn't use > character compositions nearly as heavily as Arabic)? Here it looks like > Hebrew is noticeably faster, as fast as Devanagari. > Sorry, I hadn't seen this post before replying to the previous one. Indeed, as I said in my previous reply navigation commands in Hebrew texts are much faster than in Arabic texts.