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#53924: 26.1; fontification sometimes fails for some characters despite available glyphs Date: Wed, 16 Feb 2022 05:36:24 +0200 Message-ID: <83k0dv32kn.fsf@gnu.org> References: <838ruitqu9.fsf@gnu.org> <834k55ub5u.fsf@gnu.org> <83k0dzq8y0.fsf@gnu.org> <83zgms2oso.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39379"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 53924@debbugs.gnu.org To: "Greg A. Woods" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 16 04:37:31 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 1nKB8E-000A2E-PX for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 16 Feb 2022 04:37:30 +0100 Original-Received: from localhost ([::1]:41666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nKB8D-0000zd-LI for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 15 Feb 2022 22:37:29 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48358) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKB7n-0000bP-RW for bug-gnu-emacs@gnu.org; Tue, 15 Feb 2022 22:37:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:53167) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nKB7n-0003Ey-I7 for bug-gnu-emacs@gnu.org; Tue, 15 Feb 2022 22:37:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nKB7n-0003kb-25 for bug-gnu-emacs@gnu.org; Tue, 15 Feb 2022 22:37:03 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 16 Feb 2022 03:37:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 53924 X-GNU-PR-Package: emacs Original-Received: via spool by 53924-submit@debbugs.gnu.org id=B53924.164498258714324 (code B ref 53924); Wed, 16 Feb 2022 03:37:03 +0000 Original-Received: (at 53924) by debbugs.gnu.org; 16 Feb 2022 03:36:27 +0000 Original-Received: from localhost ([127.0.0.1]:47058 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nKB7D-0003iy-Cm for submit@debbugs.gnu.org; Tue, 15 Feb 2022 22:36:27 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:41574) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nKB7B-0003ie-Vj for 53924@debbugs.gnu.org; Tue, 15 Feb 2022 22:36:26 -0500 Original-Received: from [2001:470:142:3::e] (port=44916 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKB76-00035l-Gp; Tue, 15 Feb 2022 22:36:20 -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=kWxsLV1rNyUfSP52kPb6q2fbSanUowNO0zDLpuUQvH8=; b=PxorVu4xHTxU b1oQMv5gbQtCZzVZYMPAochrkHtkYsLrB3si2xgVBgrU9PHoqu7KVctHTRMLsC1husTpr2MKUe0b/ +BhMPDoUIsnjcyTb5s3YBZ8OEGB1K8kcp26XKVtJFs0P3LQAo45ftBOE5mgEZP6tbeIPO0rxWJSaz 1rdH3Ui+gz7Rc8sF+2xbCiyF+mvyjsh+Alo95SULPxDldpSnA3n8ZNqcEEYHpjzS/NG5XFJWk/gAA lelQrK9bFlLQJhn8ZLEslbOTqLcGY3aDnVMmW8iAg2x76KPZ+NVfqFyqf4LUR4itAsuXUmzRikBv3 WumBLPIhtzLcYG8Qopd1Cg==; Original-Received: from [87.69.77.57] (port=2894 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 1nKB76-00036r-17; Tue, 15 Feb 2022 22:36:20 -0500 In-Reply-To: (woods@robohack.ca) 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:227025 Archived-At: > Date: Tue, 15 Feb 2022 18:32:23 -0800 > From: "Greg A. Woods" > CC: GNU Emacs Bug Reports <53924@debbugs.gnu.org> > > Hopefully this message encodes properly, it should be text/plain, in > the ISO10646-1 charset, with BASE64 encoding. > > Run "emacs -q" in the debugger, switch to the *scratch* buffer and > insert the forms below, then: > > M-x eval-buffer > > Switch to the new *Font Families* buffer and scroll slowly through it. > Depending on how many fonts you have installed, and how, and what kind > of resources your system(s) have, this could take quite a long time. > > If that doesn't trigger a crash try going back to the beginning, > increase the text scale with C-u C-x C-+ and scroll through again. > > This seems to reliably cause the crash for me, at least with the Git > master version I have built using the lucid toolkit.. Like I said before: please try to figure out which font causes the crashes, and post a recipe with that font alone. Otherwise, trying to reproduce this is a huge waste of time, because the results depend critically on the fonts actually installed on the system. Thanks.