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#57066: 29.0.50; Complex emoji overlaps with text Date: Thu, 11 Aug 2022 12:35:51 +0300 Message-ID: <83pmh7p1fs.fsf@gnu.org> References: <87r11pzsgb.fsf@protesilaos.com> <83iln1vfbl.fsf@gnu.org> <87o7wtzmdn.fsf@protesilaos.com> <837d3hvd5j.fsf@gnu.org> <87lerxzim5.fsf@protesilaos.com> <835yj1v1vy.fsf@gnu.org> <87czd9pc9z.fsf@protesilaos.com> <83iln1tjap.fsf@gnu.org> <877d3hpb55.fsf@protesilaos.com> <83bkstti9j.fsf@gnu.org> <87bkssn60s.fsf@protesilaos.com> <83zggcqnvz.fsf@gnu.org> <87edxnqv88.fsf@protesilaos.com> <83sfm3p95l.fsf@gnu.org> <83r11np6me.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1143"; mail-complaints-to="usenet@ciao.gmane.io" Cc: info@protesilaos.com, 57066@debbugs.gnu.org To: YAMAMOTO Mitsuharu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 11 11:38:25 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 1oM4e0-00007P-Cb for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=1445 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 1oM4bf-00037N-FU; Thu, 11 Aug 2022 05:36:03 -0400 In-Reply-To: (message from YAMAMOTO Mitsuharu on Thu, 11 Aug 2022 17:57:53 +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:239340 Archived-At: > Date: Thu, 11 Aug 2022 17:57:53 +0900 > From: YAMAMOTO Mitsuharu > Cc: info@protesilaos.com, > 57066@debbugs.gnu.org > > On Thu, 11 Aug 2022 16:43:53 +0900, > Eli Zaretskii wrote: > > > > > Date: Thu, 11 Aug 2022 16:23:47 +0900 > > > From: YAMAMOTO Mitsuharu > > > Cc: info@protesilaos.com, > > > 57066@debbugs.gnu.org > > > > > > On Thu, 11 Aug 2022 15:49:10 +0900, > > > Eli Zaretskii wrote: > > > > > > > > Do other font backends that use HarfBuzz need something similar, or is > > > > this specific to the ftcrhb backend? > > > > > > The xfthb font backend driver does not need the similar change since > > > it always uses 1.0 / (1 << 6) as the position unit, just like the > > > patched ftcrhb code for HarfBuzz 5 and later. > > > > > > I'm not familiar with the harfbuzz driver on W32. But at least, the > > > bug#489 on HarfBuzz is about hb-ft.cc. So probably the > > > uniscribe-specific part is not affected. > > > > OK, thanks. > > > > I think the fix should be installed on the emacs-28 release branch. > > It seems to be quite safe. Do you agree? > > Yes. The function hb_version_atleast was introduced in HarfBuzz > version 0.9.30, and Emacs already requires 0.9.42 on non-W32 systems. Great, thanks. So please install this on the release branch.