From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: tomas@tuxteam.de Newsgroups: gmane.emacs.devel Subject: Re: Ligatures Date: Mon, 18 May 2020 22:20:45 +0200 Message-ID: <20200518202045.GF9798@tuxteam.de> References: <83ftbybio3.fsf@gnu.org> <83zha69xs2.fsf@gnu.org> <83367x9qeq.fsf@gnu.org> <83y2pp88lw.fsf@gnu.org> <20200518192528.GC9798@tuxteam.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3oCie2+XPXTnK5a5" Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="29426"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/1.5.21 (2010-09-15) Cc: emacs-devel@gnu.org To: Pip Cet Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon May 18 22:23:01 2020 Return-path: Envelope-to: ged-emacs-devel@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 1jamHs-0007Yt-TV for ged-emacs-devel@m.gmane-mx.org; Mon, 18 May 2020 22:23:00 +0200 Original-Received: from localhost ([::1]:55398 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jamHr-0006pc-UE for ged-emacs-devel@m.gmane-mx.org; Mon, 18 May 2020 16:22:59 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59642) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jamFl-0003At-85 for emacs-devel@gnu.org; Mon, 18 May 2020 16:20:49 -0400 Original-Received: from mail.tuxteam.de ([5.199.139.25]:60362) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.90_1) (envelope-from ) id 1jamFj-0004Nz-LA for emacs-devel@gnu.org; Mon, 18 May 2020 16:20:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tuxteam.de; s=mail; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=s+p5GT27Rse5OxDzTKh/kStRXuGmYTeoKf1bd8ouRWE=; b=UmVaWngZGWQB/q5ZQ58FUhMz12BOEaw2eJvTSMgTqU0EWS1rmc9Y673DemAWfAw9YYs8ToEajfhfi4FMEEHObg4AusYMB50i7CNIPCIOADCftx2IyzS1I2FaQHnysf4pJ1TBIaG46TN806hi37VEEifkfkErhjEeuqUju+0kUNuHzGtCzEsRq7JSKn2zLzkEAnFJQxbFKR4uCd/QkaR+Tsng4diOArUhbecvQTS19Uq+3yJXhe7IrMhNuCwmdBtt6tTQXSKTrS/hfQ+50SD78CJf0/aNvmF8B3KTnHoZlkwScDP1I1XTNuSSOkerD7zVkaBht/uc0ledFmG5OaYn0g==; Original-Received: from tomas by mail.tuxteam.de with local (Exim 4.80) (envelope-from ) id 1jamFh-0003eW-3e; Mon, 18 May 2020 22:20:45 +0200 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=5.199.139.25; envelope-from=tomas@tuxteam.de; helo=mail.tuxteam.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 11:33:59 X-ACL-Warn: Detected OS = Linux 3.1-3.10 X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:250822 Archived-At: --3oCie2+XPXTnK5a5 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 18, 2020 at 07:41:19PM +0000, Pip Cet wrote: > On Mon, May 18, 2020 at 7:27 PM wrote: [...] > > But how should a backend guess where the subparts of a cluster are > > without the font providing it? >=20 > Well, of course it shouldn't. It should return the information that is > available [...] > > And in the latter case, HarfBuzz > > does give us the info. >=20 > How so? I honestly don't think it does, because it would treat the > ligature as one glyph. Eli and Cl=C3=A9ment already looked it up for us: hb_ot_layout_get_ligature= _carets() Cheers -- t --3oCie2+XPXTnK5a5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAl7C7h0ACgkQBcgs9XrR2kY/KACeJJ9R36RXylHpybLf4ykMmBh5 kV0AniHzcmJs1XMa24b3D6c/FC2WIRcB =GFCZ -----END PGP SIGNATURE----- --3oCie2+XPXTnK5a5--