From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Newsgroups: gmane.emacs.bugs Subject: bug#56808: 29.0.50; Elusive display problem on macOS Date: Fri, 29 Jul 2022 16:32:03 +0200 Message-ID: References: <83r125ai2n.fsf@gnu.org> <83czdpacoi.fsf@gnu.org> <83v8rh8ikg.fsf@gnu.org> <83r1258e4q.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36327"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) Cc: Eli Zaretskii , 56808@debbugs.gnu.org To: YAMAMOTO Mitsuharu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jul 29 16:33:14 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 1oHR3C-0009G3-BI for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 29 Jul 2022 16:33:14 +0200 Original-Received: from localhost ([::1]:36686 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oHR3B-0002eD-EO for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 29 Jul 2022 10:33:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33238) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oHR31-0002YI-5h for bug-gnu-emacs@gnu.org; Fri, 29 Jul 2022 10:33:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43440) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oHR30-0007eX-Rk for bug-gnu-emacs@gnu.org; Fri, 29 Jul 2022 10:33:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oHR30-0008Fu-Na for bug-gnu-emacs@gnu.org; Fri, 29 Jul 2022 10:33:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 29 Jul 2022 14:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56808 X-GNU-PR-Package: emacs Original-Received: via spool by 56808-submit@debbugs.gnu.org id=B56808.165910513731645 (code B ref 56808); Fri, 29 Jul 2022 14:33:02 +0000 Original-Received: (at 56808) by debbugs.gnu.org; 29 Jul 2022 14:32:17 +0000 Original-Received: from localhost ([127.0.0.1]:33184 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oHR2H-0008EL-4e for submit@debbugs.gnu.org; Fri, 29 Jul 2022 10:32:17 -0400 Original-Received: from mail-ej1-f54.google.com ([209.85.218.54]:34612) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oHR2C-0008E2-0o for 56808@debbugs.gnu.org; Fri, 29 Jul 2022 10:32:16 -0400 Original-Received: by mail-ej1-f54.google.com with SMTP id oy13so8873065ejb.1 for <56808@debbugs.gnu.org>; Fri, 29 Jul 2022 07:32:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:in-reply-to:references:date:message-id :user-agent:mime-version:content-transfer-encoding; bh=xnL0MDw1uBN70mzREqLN5L+vhum4f8luRcIp+O8L3ws=; b=loUP/x70wLfIXdYCpQFlm2LNh8ZLwTZcZY2L0Yxee4eAtHX3wK8iDlJ1FuQqyTRXz6 Jk1wglXQY34SwQMnBfi09HKliXsyqRYKke38JT/dNGGL2QuRAYj/Sf1LZ455jV4KMiYh pEnCLMJJnyiM6uwp+3wsv0zvDBkq+s3lpFML2mpAGkHlp5EH+G4p4kikOEKdLCYIDe6T HmBdgI4k0JHKD86u6o9uaMA+MQ1iZiJD+bxADkzT+5CQpITckMA81TRvcI+kS9Sx1ovL Yv1wJgJ6C84plIVWHsVNVZsvUV/x4KKR+sl0preS1U4Ds2sj9TH2cAP+D1JC+6UZopIY DkLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:user-agent:mime-version:content-transfer-encoding; bh=xnL0MDw1uBN70mzREqLN5L+vhum4f8luRcIp+O8L3ws=; b=5xhsFtDxToefefD+sf+vswykd/SsJKHEn570cs8HW8crv16gpmyaARly2pflg9Ii65 +Mp7WCNw3tv28Mh3Yu4uWgC0T3nlQh10i4C6t7qUDjuI48OlX5XmDmcRM681YI4ShI7T i0nHSZrJ9xJdpq5JMs9ax66/lwwYkPzhreFMnzZYSmiXoe1fx8lyDb6+TRH2+Y/vX1Zv q4dCWtBGUvAfpB+4UH0092GAzfuSOfUStbFCS7PuR/WyQxPYe5PugS2fkPekxMWO6Zbp WwV9Bfwfy2aXmfuc9VdxBT5Tl8Apq/MwAPAdWflNF4ZBQ56BZ0haQWCfBb9uaE4PO8Wy KEtw== X-Gm-Message-State: AJIora+zQgOzIXbDj20jnrF0b9BH6j92QP39Db10qXQPCe1JjouztI68 KOv63gT3Akq4LUNqu+YUdn4ryf+PshM= X-Google-Smtp-Source: AGRyM1vm+ftplkiZKdHrklSXQcj3HOwsRe2NunVCHPAOo3HAH9FE4IQawBwHhFdQbrP57GR4yWopGQ== X-Received: by 2002:a17:907:3e86:b0:6f5:917:10cc with SMTP id hs6-20020a1709073e8600b006f5091710ccmr3144349ejc.53.1659105125340; Fri, 29 Jul 2022 07:32:05 -0700 (PDT) Original-Received: from Mini.fritz.box (pd9e36be4.dip0.t-ipconnect.de. [217.227.107.228]) by smtp.gmail.com with ESMTPSA id kw11-20020a170907770b00b0072b41776dd1sm1793869ejc.24.2022.07.29.07.32.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Jul 2022 07:32:04 -0700 (PDT) In-Reply-To: (YAMAMOTO Mitsuharu's message of "Fri, 29 Jul 2022 22:52:40 +0900") 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:238183 Archived-At: YAMAMOTO Mitsuharu writes: > On Fri, 29 Jul 2022 21:32:49 +0900, > Gerd M=C3=B6llmann wrote: >>=20 >> Mabe I should initialize font->space_width to -3. With -2, it always >> fails. ;-). > > Does initializing font->space_width to 0 work for you? Yes it works. Thanks! Can we be sure that other uses of space_width don't run into problems? For instance: case MACFONT_SPACING_MONO: if (cache->width_frac) bounds.origin.x +=3D - ((cache->width_frac / (CGFloat) (WIDTH_FRAC_SCALE * 2)) * (cache->width_int / font->space_width)); break; That would be an integer division by 0. And it's a bit strange because of the integer division in a float expression... I know you didn't change that. I'm just trying to get the maximum out of having an expert on the line ;-).