From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#63731: [PATCH] Support Emoji Variation Sequence 16 (FE0F) where appropriate Date: Tue, 06 Jun 2023 09:28:04 +0200 Message-ID: <875y81hwxn.fsf@gmail.com> References: <87a5xrzsph.fsf@stebalien.com> <875y88bhvr.fsf@gmail.com> <83ilc8eapd.fsf@gnu.org> <83edmvcpzl.fsf@gnu.org> <87wn0n9uol.fsf@gmail.com> <83a5xjcgev.fsf@gnu.org> <87sfbb9m4y.fsf@gmail.com> <87o7ly9t6b.fsf@gmail.com> <83edmuax13.fsf@gnu.org> <87fs7a9hl3.fsf@gmail.com> <834jnqaun6.fsf@gnu.org> <878rd29d9u.fsf@gmail.com> <83leh19kec.fsf@gnu.org> <877csijbuv.fsf@gmail.com> <83fs763vez.fsf@gnu.org> <87wn0ihvyj.fsf@gmail.com> <83cz2a3tsl.fsf@gnu.org> <87mt1ehtm7.fsf@gmail.com> <838rcx53cm.fsf@gnu.org> <87ilc1j41b.fsf@gmail.com> <837csh50dy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11507"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63731@debbugs.gnu.org, steven@stebalien.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 06 09:29:21 2023 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 1q6R83-0002mU-Ue for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 06 Jun 2023 09:29:19 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q6R7n-00085R-Pc; Tue, 06 Jun 2023 03:29:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q6R7m-00085H-FY for bug-gnu-emacs@gnu.org; Tue, 06 Jun 2023 03:29:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q6R7m-00016q-51 for bug-gnu-emacs@gnu.org; Tue, 06 Jun 2023 03:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1q6R7m-0003ZV-05 for bug-gnu-emacs@gnu.org; Tue, 06 Jun 2023 03:29:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 06 Jun 2023 07:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63731 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch fixed Original-Received: via spool by 63731-submit@debbugs.gnu.org id=B63731.168603649313667 (code B ref 63731); Tue, 06 Jun 2023 07:29:01 +0000 Original-Received: (at 63731) by debbugs.gnu.org; 6 Jun 2023 07:28:13 +0000 Original-Received: from localhost ([127.0.0.1]:50827 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q6R6z-0003YL-9o for submit@debbugs.gnu.org; Tue, 06 Jun 2023 03:28:13 -0400 Original-Received: from mail-wr1-f47.google.com ([209.85.221.47]:56468) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q6R6x-0003Y5-Ho for 63731@debbugs.gnu.org; Tue, 06 Jun 2023 03:28:12 -0400 Original-Received: by mail-wr1-f47.google.com with SMTP id ffacd0b85a97d-30d181952a2so3759303f8f.0 for <63731@debbugs.gnu.org>; Tue, 06 Jun 2023 00:28:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686036486; x=1688628486; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=3UXxH6trREoN7kWSUYlLEkXMYkBVYu/SuWOJvY6TZEk=; b=obCzzwldStldSJ38bzxZi3MmhIptiWqei5/aBSCQmZj/bhG981BtExCNeJgG+f8QaI 01sxfZ6zmgcFFVLs/JM6OLbNy93M3pS4eCcBoK3RYDXTEAXlK8yIsvzaVl6Nyr7K9+JQ WK7rGSmR23ownqqpBKoP1KfWIL5K0qiqFdudNfdqwBvlf9a2Rovs8U43zYjTTMNsNb1L dQgwDIprOzBg9L8H6w3cHthppb93tCpfjqhwvBcPnul2tmsCBeUUDFcybGv/7CJKb88W XnhdEBHovUQfg3PB8zNIKHbEDaRkRNLc9ItZJs0mnkz0epfV3yQH+IkOnR0LTRf4sS8q U1Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686036486; x=1688628486; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=3UXxH6trREoN7kWSUYlLEkXMYkBVYu/SuWOJvY6TZEk=; b=Sp0FZ9wx3VfkF+LnW8Xh0QHrcXG8C0JkEwsLSZ99hcn82WfeFfgl6s8EwrEJRleKWl 9oT71ZjNLKYcv+8hq6uhsY1+w0UOXIWZ2/eN+vla0umTEH8fgyLC3aBhVtUXES+p6F9u /D4+Bd/DGGQHs4t6ssIctqsRow6w3MXMzasCehFah2WbHpKUAt1dcciz5PrD7GjlPW0O CpZk0x5U3AnTPGdxp4ExotCgV0CSCWZGE9cCBI514aMO6rDcU4zWrwwvPsOGn0MYziMZ ec5QiZELs0rd+jVvWbFIB0qpqsDhWKPZiFMoO1rd7HDWzZixqtEBeE8jXH1CUBt8UXzJ eyhg== X-Gm-Message-State: AC+VfDxT+AH7oZRajbwLixbkW2s+pv8tpnZNJzaT7YSIKGDU98iUWHeQ ouM+N0R56w2WuWDkVeyvPkc= X-Google-Smtp-Source: ACHHUZ6O07AwDlZ6HXB1rCe/5+B9z1DXWE5qlw+o8kREFItDGH17P0cYLqZxnhDPSl/8EeUAezzZ+A== X-Received: by 2002:a5d:4b8c:0:b0:309:3449:2886 with SMTP id b12-20020a5d4b8c000000b0030934492886mr981187wrt.39.1686036485536; Tue, 06 Jun 2023 00:28:05 -0700 (PDT) Original-Received: from rltb ([82.66.8.55]) by smtp.gmail.com with ESMTPSA id l8-20020a7bc448000000b003f42158288dsm16530803wmi.20.2023.06.06.00.28.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 00:28:04 -0700 (PDT) In-Reply-To: <837csh50dy.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 05 Jun 2023 19:39:37 +0300") 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:263043 Archived-At: >>>>> On Mon, 05 Jun 2023 19:39:37 +0300, Eli Zaretskii said: >> From: Robert Pluim >> Cc: 63731@debbugs.gnu.org, steven@stebalien.com >> Date: Mon, 05 Jun 2023 17:57:04 +0200 >> >> >>>>> On Mon, 05 Jun 2023 18:35:37 +0300, Eli Zaretskii said: >> Eli> Which forward rules would conflict with a backward rule triggered by Eli> U+FE0E? >> >> All the ones for the non-emoji codepoints that still need to be >> composed as emoji sometimes, eg U+261D: >> >> "\N{U+261D}" >> "\N{U+261D}\N{U+1F3FB}" >> "\N{U+261D}\N{U+1F3FC}" >> "\N{U+261D}\N{U+1F3FD}" >> "\N{U+261D}\N{U+1F3FE}" >> "\N{U+261D}\N{U+1F3FF}" Eli> Couldn't we put these in the slots of #x1F3FB..#x1F3FF instead, as Eli> backward rules? As long as we don't have a forward rule starting with Eli> #x261D, we could have backward rules for it triggered by #x1F3Fx and Eli> #xFE0x, right? Yes, we could invert the whole composition rules setup, and make them all work backwards, but then it will almost certainly all break again with the next release of Unicode. Adding a special case for FE0E in font_range is going to be more robust. Robert --