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#54914: 28.1.50; Unable to form Brahmi conjuncts in Emacs Date: Sat, 16 Apr 2022 19:29:36 +0300 Message-ID: <83tuatyosv.fsf@gnu.org> References: <837d7t3r8n.fsf@gnu.org> <87tuaw53d6.fsf@gmail.com> <835ync4z68.fsf@gnu.org> <87pmlk3ues.fsf@gmail.com> <83bkx11g6o.fsf@gnu.org> <8335id1afk.fsf@gnu.org> 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="14748"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 54914@debbugs.gnu.org, rpluim@gmail.com To: =?UTF-8?Q?=E0=A4=B8=E0=A4=AE=E0=A5=80=E0=A4=B0_?= =?UTF-8?Q?=E0=A4=B8=E0=A4=BF=E0=A4=82=E0=A4=B9?= Sameer Singh Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 16 18:30:17 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 1nflJR-0003fo-0i for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=1579 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 1nflIq-0007dM-Cl; Sat, 16 Apr 2022 12:29:41 -0400 In-Reply-To: (message from =?UTF-8?Q?=E0=A4=B8=E0=A4=AE=E0=A5=80=E0=A4=B0_?= =?UTF-8?Q?=E0=A4=B8=E0=A4=BF=E0=A4=82=E0=A4=B9?= Sameer Singh on Sat, 16 Apr 2022 19:04:15 +0530) 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:230006 Archived-At: > From: समीर सिंह Sameer Singh > Date: Sat, 16 Apr 2022 19:04:15 +0530 > Cc: Robert Pluim , 54914@debbugs.gnu.org > > Sorry for not including the codepoints, here they are: > hb-conjuncts-maatra.png & emacs-conjuncts-maatra.png from top to bottom > 1. \011013 \011046 \01102C \011038(𑀓𑁆𑀬𑀸) > 2. \011013 \011046 \01102E \011043 (𑀓𑁆𑀮𑁃) > 3. \011032 \011046 \01102C \01103B(𑀲𑁆𑀬𑀻) > > hb-tri-conjuncts.png & emacs-tri-conjuncts.png from top to bottom > 1. \011013 \011046 \01102E \011046 \01102F (𑀓𑁆𑀮𑁆𑀯) > 2. \01102F \011046 \01102C \011046 \01102F (𑀯𑁆𑀬𑁆𑀯) > 3. \01102B \011046 \011027 \011046 \01102D (𑀫𑁆𑀧𑁆𑀭) > > Also, where do you see the shaping rules that support those > combinations? I didn't find them in the Unicode Standard or anywhere > else I've read about Brahmi. What are your sources? > > > Languages like Sanskrit has three or more than three conjuncts. They are supported in scripts like > devanagari (https://en.wikipedia.org/wiki/Devanagari_conjuncts#Tri-_and_tetra-consonantal_conjuncts) > So brahmi should be able to support them too. > I could find one example in the "Proposal to include Brahmi in Unicode" document > (https://www.unicode.org/L2/L2003/03249r-brahmi-proposal.pdf) (Page 5, 1st image, 3rd character) I've attempted to enhance the composition rules, please try the latest master. They don't always work on my system, but I think that's because of the font I use and perhaps also the relatively old version of HarfBuzz I have here.