From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] emacs-26 0feb673: Display raw bytes as belonging to 'eight-bit' charset Date: Sat, 28 Jul 2018 09:53:36 +0200 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 1532764311 29394 195.159.176.226 (28 Jul 2018 07:51:51 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 28 Jul 2018 07:51:51 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jul 28 09:51:46 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 1fjK0w-0007X0-P6 for ged-emacs-devel@m.gmane.org; Sat, 28 Jul 2018 09:51:46 +0200 Original-Received: from localhost ([::1]:44246 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fjK31-0000z9-V1 for ged-emacs-devel@m.gmane.org; Sat, 28 Jul 2018 03:53:55 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51743) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fjK2v-0000z3-7Y for emacs-devel@gnu.org; Sat, 28 Jul 2018 03:53:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fjK2s-00028A-5N for emacs-devel@gnu.org; Sat, 28 Jul 2018 03:53:49 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:34231) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fjK2r-00027Y-UW for emacs-devel@gnu.org; Sat, 28 Jul 2018 03:53:46 -0400 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 41cykr66cTz1qvnJ; Sat, 28 Jul 2018 09:53:40 +0200 (CEST) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 41cykr5tkLz20xTf; Sat, 28 Jul 2018 09:53:40 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id sa0ebmK8Tp6J; Sat, 28 Jul 2018 09:53:40 +0200 (CEST) X-Auth-Info: gF+OO7IaQY8PrRIeecrsZjMbf/9gNB0oUdlbrSYIpxMPOi4jaqDjKLzDUIVI+B02 Original-Received: from linux.local (ppp-188-174-146-186.dynamic.mnet-online.de [188.174.146.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 28 Jul 2018 09:53:40 +0200 (CEST) Original-Received: by linux.local (Postfix, from userid 501) id 05A4D1E5885; Sat, 28 Jul 2018 09:53:37 +0200 (CEST) X-Yow: I'll show you MY telex number if you show me YOURS... In-Reply-To: (Stefan Monnier's message of "Fri, 27 Jul 2018 15:03:48 -0400") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.18.0.10 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:227903 Archived-At: On Jul 27 2018, Stefan Monnier wrote: > 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? tis620-2533 is defined as a superset of eight-bit-control, for whatever reason. That could be MULE related. There is also mule-lao with the same property, but that is marked :supplementary-p. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."