From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Khaled Hosny Newsgroups: gmane.emacs.bugs Subject: bug#33729: 27.0.50; Partial glyphs not rendered for Gujarati with Harfbuzz enabled (renders fine using m17n) Date: Sat, 22 Dec 2018 17:49:45 +0200 Message-ID: <20181222154945.GE2244@macbook.localdomain> References: <20181214110316.GK2244@macbook.localdomain> <83y38sfcme.fsf@gnu.org> <83tvjgf7ux.fsf@gnu.org> <83mup4du5z.fsf@gnu.org> <20181222085448.GA2244@macbook.localdomain> <20181222090644.GB2244@macbook.localdomain> <83va3lan24.fsf@gnu.org> <20181222151509.GC2244@macbook.localdomain> <83h8f5a7po.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1545493688 19801 195.159.176.226 (22 Dec 2018 15:48:08 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 22 Dec 2018 15:48:08 +0000 (UTC) User-Agent: Mutt/1.11.1 (2018-12-01) Cc: behdad@behdad.org, 33729@debbugs.gnu.org, far.nasiri.m@gmail.com, kaushal.modi@gmail.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 22 16:48:03 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gajVS-0004zL-BS for geb-bug-gnu-emacs@m.gmane.org; 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Sat, 22 Dec 2018 07:49:50 -0800 (PST) Original-Received: from macbook.localdomain ([41.237.113.27]) by smtp.gmail.com with ESMTPSA id e16sm17561378wrn.72.2018.12.22.07.49.47 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 22 Dec 2018 07:49:49 -0800 (PST) Content-Disposition: inline In-Reply-To: <83h8f5a7po.fsf@gnu.org> 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: 208.118.235.43 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:153743 Archived-At: On Sat, Dec 22, 2018 at 05:42:43PM +0200, Eli Zaretskii wrote: > > Date: Sat, 22 Dec 2018 17:15:09 +0200 > > From: Khaled Hosny > > Cc: rgm@gnu.org, far.nasiri.m@gmail.com, behdad@behdad.org, > > 33729@debbugs.gnu.org, kaushal.modi@gmail.com > > > > > There's a FIXME in the change you pushed (which I believe just > > > repeats what was already in the previous version). Ca you tell more > > > about the problem we need to fix there? > > > > We need a way to get Unicode composition and decomposition for the > > a given character (implementing the uni_compose and uni_decompose > > functions I deleted). > > Yes, but what does that entail? Are these compositions and > decompositions defined by the Unicode UCD? And how does Harfbuzz use > the results for a given character? Yes, the standard Unicode composition and decomposition. HarfBuzz uses these during shaping (it prefers composed form for a given sequence if supported by the font, and falls back to decomposed form otherwise). > > I recall you suggested something earlier that I tried but couldn’t > > get to work, the exact detail escapes me. > > I probably suggested using the 'decomposition' property of a > character, and perhaps als the facilities in ucs-normalize.el. How can this be done from C.