From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.bugs Subject: bug#14461: 24.3.50; bad display for 'space' + (U+0336) unicode combination Date: Sat, 17 Aug 2019 19:05:20 +0200 Message-ID: <871rxjk9in.fsf@gmx.net> References: <519f7a1c.0324b40a.4997.ffff96ea@mx.google.com> <87woff117q.fsf@mouse.gnus.org> <871rxmiyyi.fsf@gmx.net> <5d552da4.1c69fb81.c51aa.76af@mx.google.com> <87wofehasr.fsf@gmx.net> <83d0h4ngrx.fsf@gnu.org> <87r25jucir.fsf@gmx.net> <8336hzop4a.fsf@gnu.org> <87o90nkg7n.fsf@gmx.net> <83y2zrn80y.fsf@gnu.org> <878srrkdhe.fsf@gmx.net> <83wofbn6e6.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="41211"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: larsi@gnus.org, cedric.chepied@gmail.com, 14461@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 17 19:06:28 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hz29r-000AXM-CG for geb-bug-gnu-emacs@m.gmane.org; Sat, 17 Aug 2019 19:06:27 +0200 Original-Received: from localhost ([::1]:37418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hz29p-00045L-GU for geb-bug-gnu-emacs@m.gmane.org; Sat, 17 Aug 2019 13:06:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41515) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hz29T-00045F-UM for bug-gnu-emacs@gnu.org; Sat, 17 Aug 2019 13:06:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hz29S-0005qN-Uq for bug-gnu-emacs@gnu.org; Sat, 17 Aug 2019 13:06:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47972) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hz29S-0005qH-R2 for bug-gnu-emacs@gnu.org; Sat, 17 Aug 2019 13:06:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hz29S-00014G-IR for bug-gnu-emacs@gnu.org; Sat, 17 Aug 2019 13:06:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stephen Berman Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 17 Aug 2019 17:06:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14461 X-GNU-PR-Package: emacs Original-Received: via spool by 14461-submit@debbugs.gnu.org id=B14461.15660615414055 (code B ref 14461); Sat, 17 Aug 2019 17:06:02 +0000 Original-Received: (at 14461) by debbugs.gnu.org; 17 Aug 2019 17:05:41 +0000 Original-Received: from localhost ([127.0.0.1]:56788 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz296-00013J-QA for submit@debbugs.gnu.org; Sat, 17 Aug 2019 13:05:41 -0400 Original-Received: from mout.gmx.net ([212.227.17.22]:41681) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz294-00012q-Pf for 14461@debbugs.gnu.org; Sat, 17 Aug 2019 13:05:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1566061525; bh=sUVmLbE/KPeFQWdjwt8DPZ3Qvuf4QMLOXtQXo+iLUd0=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=LYjelnrh52y+brW4OjEftFgL+oGoySUwttbrkkVkpIiaZWBQsroUtDKyNXYxnxfnW kAGcau7FHH7yrZH7uY9fkxdjDhz2zOgL3GBJJVwwYsTZcv+ROcNatuJzUb4tLXoihD zqsu5mq1WVF9gaOEHxvB3AjjCRgIWxMZj3bdl2LY= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from strobe-lfs84 ([94.220.121.66]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N6sn1-1iKv9O0OND-018LTB; Sat, 17 Aug 2019 19:05:25 +0200 In-Reply-To: <83wofbn6e6.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 17 Aug 2019 18:44:33 +0300") X-Provags-ID: V03:K1:Iat/lPjG9AAOvqfQi2Jn6VNV7CqcyrDCWnnjXn2H8F+tVUfe/Js b/twcO2Q5d2KgRpmB912tRa4z9KwTZIr9O9yRY7s+rivZtXbM1fdS4nAQg9AuSu1AD90ENM apf77ySEJ2wcoSlc3zsmhj2Y+IzOrhbDbfNfXG7HBFhQAi6vPNbv0tBku7JrZKXavD75v5+ b9Vk8fnJcA7L07oeIsJlw== X-UI-Out-Filterresults: notjunk:1;V03:K0:4T5FBuJ+3w0=:WSAn26zbMmRDU4whwxno56 drytiEFUQdXsG1fp6h7Lp2Xowoml7kcVH1Dfw6IvzN013BDyhbeJllMTDbvpL2EObk4y7jhip X/R3wOXK0xWoY1N4aLgAxIWJbUJXDppaCUIO/ggyYrw/DXoEbsCcdewYnIl+pNNdF+FcDVFFc s+F8P5eAukMhS1OcU4ShsReuyFgJcx8k7eOhTu0F2N4msqs3K95SxozrmzKKGaepNh88ojzPE vDaD6GcWKxAcGYMFkx+ukMPKKKeRu6n+1Eb3XwjwDIjQq9W1n2JHA94IFEJGvCbardAxld0g7 JJszPkgS2J71BJf3hhygfzf9s4zpLNLe61T3jSxXZ/G8Qabphm+c+3MtXHXHEsMabVqDa8iqt qfYuLLjIlRVpnY9Co+3/igeBqMXudmZ0TTXl3hTbWQgER3aAEbxkN2QUbj31RtBsv3p9LFltf gokCqGVOd/4zwT5ijYgmyh/9Ga7ztJ19oj2WPNT2lHsP4k5qnijL9iEU83ReVJvs+L/7wfgWg Gc0FMni5SEYQM+B3AWDoCw0J5jVXS58KQf9F+Puw54y2MwHZc14MlYtXWtNE0HXSyHgqbCnco g9956O/u6z8d6eFrCn1Y7OtACoBoLvxl0WFtI+42Bu3NmetK6EY9h7aBySiakL1++a8XPTpwk vigLgVdppkGQd24rSJTm/BFoRL2a6awN8cah+3D7ESDy/HxxIOItMqO8uZvYCVg5iCMExynzu arpxOuKMvaPKOskZeGLAl8CGu8SRJATqDNJlHotwf3HP1Wiw2MXcI63zKdmYlv1i7lXEVV6Y X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:165275 Archived-At: On Sat, 17 Aug 2019 18:44:33 +0300 Eli Zaretskii wrote: >> From: Stephen Berman >> Cc: handa@gnu.org, cedric.chepied@gmail.com, 14461@debbugs.gnu.org, >> larsi@gnus.org >> Date: Sat, 17 Aug 2019 17:39:41 +0200 >> >> > If the latter, then the composition wa= s >> > done in both cases, and you simply should find a better font if you >> > want these displayed more nicely. >> >> That indeed appears to be the case: when I change the font to DejaVu >> Sans (i.e. not the monospace version), then the 'a' sequence is >> displayed like the 'b' sequence, with both combining characters over th= e >> alphabetic character. This seems like a bug in the monospace font, but >> it also seems unlikely such a bug wouldn't have been noticed and fixed >> long ago, so I suspect there must be some other reason for the >> difference. > > Does HarfBuzz's hb-view produce the same display with the monospaced > font? If so, I'd bet it's a problem with the font. You could ask > about this on the HarfBuzz mailing list. > > If hb-view produces a different display, then it could be our problem. Executing this: $ hb-view /usr/share/fonts/dejavu/DejaVuSansMono.ttf -u 'U+061, U+301, U+3= 02' displays just 'a' with an acute accent over it, i.e. the circumflex is not displayed at all (unlike Emacs, which display the circumflex to the right of the a + acute accent grapheme). Steve Berman