From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Disambiguate modeline character for UTF-8? Date: Sun, 23 Aug 2020 11:27:22 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34688"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Ulrich Mueller Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Aug 23 17:28:12 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 1k9rul-0008vt-RK for ged-emacs-devel@m.gmane-mx.org; Sun, 23 Aug 2020 17:28:11 +0200 Original-Received: from localhost ([::1]:57484 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k9ruk-0008Is-Tu for ged-emacs-devel@m.gmane-mx.org; Sun, 23 Aug 2020 11:28:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55902) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k9ru5-0007q3-Dy for emacs-devel@gnu.org; Sun, 23 Aug 2020 11:27:29 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:4090) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k9ru3-0002ZK-JE for emacs-devel@gnu.org; Sun, 23 Aug 2020 11:27:28 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 80F32440709; Sun, 23 Aug 2020 11:27:26 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 8B28044039E; Sun, 23 Aug 2020 11:27:24 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1598196444; bh=7I0KWznqWGrLeGpX2IB3pdqug7bLe917GTWSrbZWxnU=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=fPmjGue+XmMixR79sC4iLiYjqiH2T4/J6XRB0AxFyhT2zbDPpFWsLW8KtpDi6fnl5 8B2KwPspz3EJIqaoVQGiAgkiBjeZJl82bukaJmDtfoLnaAbwH7eanak/QH2vNsixK8 RWGKs5kITxD1IX/xbvS0D4kxb/VRD6ug5LLD/CRdnykETKYJVAVImgrwO8yQhGqvNk vcXGtZ55UKpHL8NBaGpyqBN6g8gYQr7tJmqUD1KoT7It/V9SK9aZcd+heoRPa020yN wzfIg34QBE8qlq6E/1MoU4FSAtsMNgpXQAQoWJwZMCv8QQweQq7BAvJNUqN5+ywHDM JwZC9FWeXG4gg== Original-Received: from ceviche (unknown [45.72.246.108]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 55B271207A4; Sun, 23 Aug 2020 11:27:24 -0400 (EDT) In-Reply-To: (Ulrich Mueller's message of "Sun, 23 Aug 2020 13:46:29 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/23 11:15:57 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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:254141 Archived-At: > Presumably UTF-8 is the most popular coding system today. Nevertheless, > it shares its mnemonic character displayed in the modeline with several > others (while legacy codings like ISO-8859-1 have their unique char): > > U -- utf-8* (all variants) > U -- utf-16* (all variants) > U -- utf-7 > u -- utf-7-imap > U -- koi8-u Agreed. > I wonder if this could be disambiguated, such that "U" would be used > exclusively for UTF-8 and its variants. For example, as follows: > > U -- utf-8* (all variants) > u -- utf-16* (all variants) > m -- utf-7* (Mnemonic: "m" for mail-safe or MIME) > Y -- koi8-u (Mnemonic: "Y" looks similar to 1st letter in "=D0=A3=D0= =BA=D1=80=D0=B0=D1=97=D0=BD=D1=81=D1=8C=D0=BA=D0=B0") > > WDYT? Yay, bikeshedding ;-) I don't see a strong reason to limit ourselves to a single char, FWIW, so I think `u7` is fine for utf-7* (it should be very rare anyway). Stefan