From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] emacs-26 0feb673: Display raw bytes as belonging to 'eight-bit' charset Date: Fri, 27 Jul 2018 15:03:48 -0400 Message-ID: References: <20180727064907.6305.13029@vcs0.savannah.gnu.org> <20180727064909.85288203C0@vcs0.savannah.gnu.org> <87bmas3juo.fsf@gmail.com> <877elg4tbx.fsf@igel.home> <2499AA9B-E194-4EE0-BF2B-97F082B999EB@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1532718171 12488 195.159.176.226 (27 Jul 2018 19:02:51 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 27 Jul 2018 19:02:51 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jul 27 21:02:47 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fj80l-000398-9d for ged-emacs-devel@m.gmane.org; Fri, 27 Jul 2018 21:02:47 +0200 Original-Received: from localhost ([::1]:42639 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fj82r-0003zj-Ow for ged-emacs-devel@m.gmane.org; Fri, 27 Jul 2018 15:04:57 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56282) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fj81w-0003zT-P5 for emacs-devel@gnu.org; Fri, 27 Jul 2018 15:04:01 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fj81t-00078D-Ko for emacs-devel@gnu.org; Fri, 27 Jul 2018 15:04:00 -0400 Original-Received: from [195.159.176.226] (port=33809 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fj81t-00076d-Ci for emacs-devel@gnu.org; Fri, 27 Jul 2018 15:03:57 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1fj7zk-0001xL-JY for emacs-devel@gnu.org; Fri, 27 Jul 2018 21:01:44 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 23 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:kKiyBrVOYyzdlsf5Ea8MurNyWqI= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:227866 Archived-At: > The above change is safe, more-or-less, because it only affects how we > display information about characters. Making an equivalent change > inside char-charset would affect all users of that API. Yes, clearly this would be for `master`. > In the Thai language environment, that just might make sense. I don't see why it would ever make sense. Actually, I don't understand why (char-charset (unibyte-char-to-multibyte #x90)) should return `tis620-2533`, since the tis620.2533 standard defines a coding-system similar to those of iso8859 and the corresponding chars all exist in the BMP of Unicode (the "Thai block" U+0E01 through U+0E7F), so I can't see any obvious reason why they should affect the 3x3fffxx private space used by Emacs for "eight-bit chars". Could it be just a bug? Stefan