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.devel Subject: Re: feature/fix-the-long-lines-display-bug c760d2ed16: * etc/PROBLEMS: Remove the entry which is no longer relevant. Date: Thu, 21 Jul 2022 16:36:09 +0000 Message-ID: References: <165817030092.24067.4562191765367761985@vcs2.savannah.gnu.org> <20220718185141.39F11C0F203@vcs2.savannah.gnu.org> 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="21918"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Jul 21 18:53:41 2022 Return-path: Envelope-to: ged-emacs-devel@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 1oEZQj-0005Un-2e for ged-emacs-devel@m.gmane-mx.org; Thu, 21 Jul 2022 18:53:41 +0200 Original-Received: from localhost ([::1]:38050 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEZQh-0000i9-H3 for ged-emacs-devel@m.gmane-mx.org; Thu, 21 Jul 2022 12:53:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEZIu-0004ts-5e for emacs-devel@gnu.org; Thu, 21 Jul 2022 12:45:36 -0400 Original-Received: from heytings.org ([95.142.160.155]:45070) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEZIs-000168-FL for emacs-devel@gnu.org; Thu, 21 Jul 2022 12:45:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658421369; bh=QUY2glGMzOo5ZSa6vkYUWi6miWyU3EZLYLC3XlGZTok=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=6+hQ7SAySQdJhnS2BAwJO6we6y/zQIewq076kAjbJVrXI4gA50cNef1RQbXAzv0sl AmHFUe6dwSjLgz8uzn/BXwHgvUdn6+JldkYZeYsNRF4WxAAwIOoxSQt9sJKpijMAZ3 MCx0TO1G6jNVWAOBP2dOshotBOR2w9s3zf0uKErbPx+o1kk/Xwa0KXF6lhlfZSZcMM g+/SaMjWEZaj79/OOwPNtSNM4rQQZd6jRzb/Bb6FWOLx1Bt42NpQ2S8l6AW7Ckitz/ Ihvc9RE070WqZGWoadqZhXx4zHkQdI5Sta3dfX0/Yy0o/Mwyh46VXvhpBNK5JaN+Ol 9DFZfq9wtyOUw== In-Reply-To: Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:292381 Archived-At: >> (There are still a few limits, in particular font locking that should >> be turned off in files with long lines. I will fix them soon.) > > The font-lock (and `syntax-propertize`) code on `master` should already > "adapt" to long lines, in theory, so if you find single-line large files > significantly worse (because of `font-lock` or `syntax-propertize`) than > non-single line similarly large files, I'd be interested to hear about > it. > Take any sufficiently large database dump, minified Javascript file, HTML file, etc., edit it with font locking turned on and off, and you'll see that font locking still has a very significant impact on performance.