From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.devel Subject: Re: Ligatures (was: Unify the Platforms: Cairo+FreeType+Harfbuzz Everywhere (except TTY)) Date: Fri, 22 May 2020 09:25:31 +0000 Message-ID: References: <20200517165953.000044d2@web.de> <83lflqblp0.fsf@gnu.org> <83ftbybio3.fsf@gnu.org> <83zha69xs2.fsf@gnu.org> <83367x9qeq.fsf@gnu.org> <0ccae2a4-533b-d15c-2884-c2f00b067776@gmail.com> <83wo5987mk.fsf@gnu.org> <99d4beed-88ae-b5cd-3ecb-a44325c8a1dc@gmail.com> <20200518215908.GA57594@breton.holly.idiocy.org> <83mu6481v3.fsf@gnu.org> <75a90563-51b4-d3b8-4832-fc0e2542af0d@gmail.com> <83blmi7hys.fsf@gnu.org> <837dx55qff.fsf@gnu.org> <834ks95cmz.fsf@gnu.org> <4faa291f-f2df-36d1-73d5-332b93a9b6d8@gmail.com> <83wo544hx5.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="90195"; mail-complaints-to="usenet@ciao.gmane.io" Cc: cpitclaudel@gmail.com, alan@idiocy.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri May 22 11:26:41 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 1jc3wu-000NN9-Bx for ged-emacs-devel@m.gmane-mx.org; Fri, 22 May 2020 11:26:40 +0200 Original-Received: from localhost ([::1]:48974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jc3wt-0000lQ-F3 for ged-emacs-devel@m.gmane-mx.org; Fri, 22 May 2020 05:26:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51940) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jc3wR-0008Ps-N8 for emacs-devel@gnu.org; Fri, 22 May 2020 05:26:11 -0400 Original-Received: from mail-oi1-x232.google.com ([2607:f8b0:4864:20::232]:46404) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jc3wQ-00048a-M3; Fri, 22 May 2020 05:26:11 -0400 Original-Received: by mail-oi1-x232.google.com with SMTP id b3so8697672oib.13; Fri, 22 May 2020 02:26:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=O12XKcVg1J5RvlXUR49bowg0AXg9Mk/sCQ11c+W4nig=; b=g/opodNNeLQ8pStyDbsTeMnWpmBspfrnhRMzsclj6dFjv48wdZ1FP4E49DiskMyyEI JeF26XxwD6XsQaCALre4kW1Vg8mEeSkD0KGc/dRpzq4SY5iWFuinZjFAIY/MUFD/lOXh nvN+wz8nSCa4QiT1eKjGAfn1FGbFZC/ZdyiUNhMGOluRN0N4NY+bjeLlz+paNIO8UwE9 cHC7KArK4RTIISqPIqTdRtfMTrITHpmWUBel+9vLRgn56DAOeyMLJMlv8jl3LQMrtUs/ XsAxhxSIZOvMwnc41l7B8RuRyhqRzB/TVCChASLCmxoscoP6ZDYfBjRT6oZBTVPrncBf ANCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=O12XKcVg1J5RvlXUR49bowg0AXg9Mk/sCQ11c+W4nig=; b=Kn1s55Shdg1dOIvKTVOSGjjePFECa/1gAvrdfkKZZ0xD67OTiQ8Blr4w0PHPfce2Ch i11s+ot2ByPUFenDWpOp5uioWaxdWMrUZfjuBUGbFTIZKsV2fMrXEEmfLEisHrW7GHpJ ID1NM1/Qq2O0OJgro7t1bW4dAmxylB+pvNTy/fYOdn1QhRg24oKWP1F0dFIwu8mNVP2S dT0Ra4iCuyKSvRaVTGKrt2UdxFIDXqhIS3CHN5i0Q7/n2HxZKc5GuvW1Xh7aNpk3vaAA qfG1DCXqeYyLVsH19S6DCcqsapjgTFucBgULmkGbvufS2ML0GBfbfSMIXTqMCLnJA1n/ MVLQ== X-Gm-Message-State: AOAM532koj4KSVuE1z1P23PT3//tjxOC8Iyb4syz3oTR2364cMUr2qMS jAKiKXHa9FkUJHsNPUP43ZD/p7wItwbIFPX0R47dvRLl X-Google-Smtp-Source: ABdhPJzyzI6mK7cS4X7JKuXkLbPsBsXOi87+/6qF/Dy24dDsA3HB/wGXfKxHECWueLycFx24+0GNSa51WK1qAZlon54= X-Received: by 2002:aca:c6d3:: with SMTP id w202mr2053721oif.44.1590139568860; Fri, 22 May 2020 02:26:08 -0700 (PDT) In-Reply-To: <83wo544hx5.fsf@gnu.org> Received-SPF: pass client-ip=2607:f8b0:4864:20::232; envelope-from=pipcet@gmail.com; helo=mail-oi1-x232.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, FREEMAIL_FROM=0.001, 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:251203 Archived-At: On Fri, May 22, 2020 at 6:12 AM Eli Zaretskii wrote: > > From: Pip Cet > > Date: Thu, 21 May 2020 21:16:44 +0000 > > Cc: Eli Zaretskii , alan@idiocy.org, emacs-devel@gnu.org > > > > (set-char-table-range composition-function-table t '([".+" 0 > > font-shape-gstring])) > > > > should work, but it has weird side effects that I'm pretty sure aren't > > intended (paren highlighting is broken, for example). > > This is not the right way. What is the right way, then? I want all ligatures my font supports. Also, even if it is the wrong thing to do, why does it break seemingly unrelated things? > The right way is to do the likes of the > following: > > (set-char-table-range > composition-function-table '(?f . ?f) > (list (vector "ffi" 0 'compose-gstring-for-graphic))) > This shows how to do this only for the "ffi" ligature, but I think it > makes the idea clear. I'm afraid it doesn't, to me.