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#74337: 29.4; Visiting a file with Unicode emojis is very slow Date: Sat, 16 Nov 2024 15:22:51 +0200 Message-ID: <86frnrgvo4.fsf@gnu.org> References: <865xore32f.fsf@bayne.id.au> <86v7wrkw4p.fsf@gnu.org> <861pzeevpy.fsf@bayne.id.au> <86plmylvq4.fsf@gnu.org> <86wmh6dfnb.fsf@bayne.id.au> <86jzd6l3k8.fsf@gnu.org> <86msi2115c.fsf@bayne.id.au> <86h689khtc.fsf@gnu.org> <87h689q39j.fsf@gmail.com> <86zflzz9u5.fsf@bayne.id.au> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="617"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 74337@debbugs.gnu.org, rpluim@gmail.com To: Duncan Bayne Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 16 14:24:20 2024 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 1tCImi-000AYl-1z for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 16 Nov 2024 08:23:03 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tCIlN-0005VB-CJ; Sat, 16 Nov 2024 08:22:57 -0500 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=oAZTxhE7qUS/G8kvPA/ZYRLbDKJv4pzi1PbHDmeXQ6U=; b=UNTMfLy20+xo ReU6vMThs6i8eYBZ7Oas2Ue5b/At1LcuCsofza9SuE2wISkxj3aIV9eVoue20iO3e135HzSkd3/Rn dqTIe38f3QsGXcVFw4mD8ot/4TOk40+DkKVwK/5UHcjh0MUnXG4YlQXQ4d63vR3iNsvRSp480VxTp q2jC5cOCLjvPjTJt7A7y0RCE0790ziDCM42KKa3SHj3cobCq4W+VGfczYOVOqacSoy5Y5vd7n+dMu tZuYRI2yFh8+7apebE5hTyEvLtA+sZZt2MFmvso3AMKPzGL6dmnj+fT5bOeYbLvvqFFaZxJQRIrmY F2fsdctOEeCG1e52ueg+IA==; In-Reply-To: <86zflzz9u5.fsf@bayne.id.au> (message from Duncan Bayne on Sat, 16 Nov 2024 22:29:46 +1100) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:295453 Archived-At: > From: Duncan Bayne > Cc: Eli Zaretskii , 74337@debbugs.gnu.org > Date: Sat, 16 Nov 2024 22:29:46 +1100 > > Installing Symbola "fixed" the issue - visiting the file is now almost > instantaneous. > > So it looks like the *actual* issue might be: visiting a file with a > codepoint that doesn't match any installed fonts takes minutes? Yes, but only if you have a very large number of fonts installed, none of which supports that codepoint. Because Emacs will try all of the fonts that could potentially have a glyph for the codepoint.