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#45557: 27.1; Incorrect rendering of COMBINING OVERLINE Date: Thu, 07 Jan 2021 16:16:48 +0200 Message-ID: <83pn2gltm7.fsf@gnu.org> References: <83k0sq2j9m.fsf@gnu.org> <20210106.213051.1927113775620623865.enometh@meer.net> <83turu11xm.fsf@gnu.org> <20210107.114031.1253265759097486788.enometh@meer.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32547"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 45557@debbugs.gnu.org To: Madhu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jan 07 15:17:32 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 1kxW6U-0008Fc-SK for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 15:17:30 +0100 Original-Received: from localhost ([::1]:53102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxW6T-0000Ik-Q3 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 07 Jan 2021 09:17:29 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxW62-0000Gs-3H for bug-gnu-emacs@gnu.org; Thu, 07 Jan 2021 09:17:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:35357) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kxW61-0006Mp-Oi for bug-gnu-emacs@gnu.org; Thu, 07 Jan 2021 09:17:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kxW61-0005rf-KS for bug-gnu-emacs@gnu.org; Thu, 07 Jan 2021 09:17:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 07 Jan 2021 14:17:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45557 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug Original-Received: via spool by 45557-submit@debbugs.gnu.org id=B45557.161002901722528 (code B ref 45557); Thu, 07 Jan 2021 14:17:01 +0000 Original-Received: (at 45557) by debbugs.gnu.org; 7 Jan 2021 14:16:57 +0000 Original-Received: from localhost ([127.0.0.1]:46903 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kxW5w-0005rI-MV for submit@debbugs.gnu.org; Thu, 07 Jan 2021 09:16:56 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:55240) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kxW5v-0005r4-RP for 45557@debbugs.gnu.org; Thu, 07 Jan 2021 09:16:56 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:56188) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxW5o-0006Ge-N1; Thu, 07 Jan 2021 09:16:50 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2892 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kxW5n-0003RM-8N; Thu, 07 Jan 2021 09:16:48 -0500 In-Reply-To: <20210107.114031.1253265759097486788.enometh@meer.net> (message from Madhu on Thu, 07 Jan 2021 11:40:31 +0530 (IST)) 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:197483 Archived-At: > Date: Thu, 07 Jan 2021 11:40:31 +0530 (IST) > Cc: 45557@debbugs.gnu.org > From: Madhu > > * Eli Zaretskii <83turu11xm.fsf@gnu.org> > Wrote on Wed, 06 Jan 2021 18:10:29 +0200 > >> From: Madhu > >> > Anyway, I see no Emacs problems in your description, only font > >> > problems. The text you sent is displayed correctly on my system, both > >> > of its lines. > Can you try using a font with emacs which does not compose the x and > overbar? I already did. The results are as I'd expect: the characters are rendered separately. > >> I assume the mswindows and applemac systems dont pull in harfbuzz? > > No, the Windows build does use HarfBuzz. > Whatever is doing the visual composition of x + overbar (when emacs is > explicitly asked not to do it by turning auto-composition-mode off) - > it isn't harfbuzz. It happens on an emacs (--without-all) which links > to freetype without harfbuzz/cairo (and even when emacs isn't using m17n-lib) > Very puzzling. Indeed.