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#49622: 27.2; A new MacOS display heisenbug Date: Sun, 25 Jul 2021 22:15:10 +0300 Message-ID: <835ywyw6gx.fsf@gnu.org> References: <42554ae3-e862-6423-95df-00c7e335edd9@jovi.net> <83k0ln78gv.fsf@gnu.org> <8eb45979-d7f4-9f45-2215-29716bcf27d4@jovi.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20572"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 49622@debbugs.gnu.org To: Devon Sean McCullough Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 25 21:16:33 2021 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 1m7jc1-00057f-5R for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 25 Jul 2021 21:16:33 +0200 Original-Received: from localhost ([::1]:55580 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m7jbz-0007pc-1w for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 25 Jul 2021 15:16:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44648) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m7jbW-0007nr-Rt for bug-gnu-emacs@gnu.org; Sun, 25 Jul 2021 15:16:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37856) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m7jbW-0000Gr-6g for bug-gnu-emacs@gnu.org; Sun, 25 Jul 2021 15:16:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1m7jbV-0004Z2-VC for bug-gnu-emacs@gnu.org; Sun, 25 Jul 2021 15:16:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 25 Jul 2021 19:16:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 49622 X-GNU-PR-Package: emacs Original-Received: via spool by 49622-submit@debbugs.gnu.org id=B49622.162724052917497 (code B ref 49622); Sun, 25 Jul 2021 19:16:01 +0000 Original-Received: (at 49622) by debbugs.gnu.org; 25 Jul 2021 19:15:29 +0000 Original-Received: from localhost ([127.0.0.1]:49400 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m7jaz-0004Y8-6p for submit@debbugs.gnu.org; Sun, 25 Jul 2021 15:15:29 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:46858) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m7jax-0004Xw-5Q for 49622@debbugs.gnu.org; Sun, 25 Jul 2021 15:15:28 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:43392) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m7jar-0008Ep-Bk; Sun, 25 Jul 2021 15:15:21 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3724 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 1m7jaq-00071h-Sa; Sun, 25 Jul 2021 15:15:21 -0400 In-Reply-To: <8eb45979-d7f4-9f45-2215-29716bcf27d4@jovi.net> (message from Devon Sean McCullough on Sun, 25 Jul 2021 14:01:38 -0400) 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:210729 Archived-At: [Please use Reply All to keep the bug address on the CC list.] > From: Devon Sean McCullough > Date: Sun, 25 Jul 2021 14:01:38 -0400 > > On 2021-07-18 15:00, Eli Zaretskii wrote: > > > Which font is used here? Is it the same font in the "good" and the > > "bad" display? > > Emacs 27 and 28 with -Q both report the same font for this character > and after many trials, both manifest the bug more often than not. My first suspicion is that this has something to do with your video driver. > Peace > --Devon > > P.S. In a "CLEAN" Emacs, C-u C-x = > > position: 153 of 177 (86%), column: 7 > character: ⟡ (displayed as ⟡) (codepoint 10209, #o23741, #x27e1) > charset: unicode (Unicode (ISO10646)) > code point in charset: 0x27E1 > script: symbol > syntax: w which means: word > category: .:Base > to input: type "C-x 8 RET 27e1" or "C-x 8 RET WHITE CONCAVE-SIDED DIAMOND" > buffer code: #xE2 #x9F #xA1 > file code: #xE2 #x9F #xA1 (encoded by coding system utf-8-unix) > display: by this font (glyph code) > mac-ct:-*-PCMyungjo-normal-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x26F9) > > Character code properties: customize what to show > name: WHITE CONCAVE-SIDED DIAMOND > general-category: Sm (Symbol, Math) > decomposition: (10209) ('⟡') > > There are text properties here: > face font-lock-comment-face > fontified t Since you see just a box, it means this font doesn't support that character. So I wonder why this font is used for that character. Did you try to install Symbola? > P.P.S. I added a new screen shot at http://jovi.net/Emacs-Bug/Render > > > And why do you say this is a "new" bug? new as compared to when? > New to me anyway — my searches turned up no similar bug reports. New to you because you never saw it before, or new because previous version(s) didn't have it?