From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ulrich Mueller Newsgroups: gmane.emacs.devel Subject: Re: Display of characters #xa0 and #xad in unibyte buffers Date: Fri, 25 Sep 2009 11:00:03 +0200 Message-ID: <19132.34451.565451.857731@a1ihome1.kph.uni-mainz.de> References: <19131.35568.835627.216245@a1i15.kph.uni-mainz.de> <833a6bv30o.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1253869274 28118 80.91.229.12 (25 Sep 2009 09:01:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 25 Sep 2009 09:01:14 +0000 (UTC) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Sep 25 11:01:06 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Mr6fh-00058v-Qy for ged-emacs-devel@m.gmane.org; Fri, 25 Sep 2009 11:00:58 +0200 Original-Received: from localhost ([127.0.0.1]:41307 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mr6fh-0005Yk-Al for ged-emacs-devel@m.gmane.org; Fri, 25 Sep 2009 05:00:57 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Mr6f3-0005HK-83 for emacs-devel@gnu.org; Fri, 25 Sep 2009 05:00:17 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Mr6ey-0005El-8Z for emacs-devel@gnu.org; Fri, 25 Sep 2009 05:00:16 -0400 Original-Received: from [199.232.76.173] (port=48044 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mr6ey-0005Ee-26 for emacs-devel@gnu.org; Fri, 25 Sep 2009 05:00:12 -0400 Original-Received: from a1iwww1.kph.uni-mainz.de ([134.93.134.1]:54067) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Mr6es-0005ac-Qr; Fri, 25 Sep 2009 05:00:07 -0400 Original-Received: from a1ihome1.kph.uni-mainz.de (a1ihome1.kph.uni-mainz.de [134.93.134.75]) by a1iwww1.kph.uni-mainz.de (8.14.0/8.13.4) with ESMTP id n8P903rR018013; Fri, 25 Sep 2009 11:00:04 +0200 Original-Received: from a1ihome1.kph.uni-mainz.de (localhost [127.0.0.1]) by a1ihome1.kph.uni-mainz.de (8.14.0/8.14.1) with ESMTP id n8P903Jb012586; Fri, 25 Sep 2009 11:00:03 +0200 Original-Received: (from ulm@localhost) by a1ihome1.kph.uni-mainz.de (8.14.0/8.14.0/Submit) id n8P903fv012581; Fri, 25 Sep 2009 11:00:03 +0200 In-Reply-To: <833a6bv30o.fsf@gnu.org> X-Mailer: VM 8.0.2-487 under Emacs 22.3.1 (i686-pc-linux-gnu) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 1) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:115606 Archived-At: >>>>> On Fri, 25 Sep 2009, Eli Zaretskii wrote: >> $ emacs -Q >> M-x toggle-enable-multibyte-characters RET C-q 240 RET C-q 255 RET >> >> The characters are displayed as "_-" (approximately). >> >> Shouldn't they be displayed as "\240\255", considering that these are >> raw bytes with no specific meaning? > There are no ``raw bytes'' in a unibyte buffer. Every byte there is > interpreted as a character, and shown as such. This is the main > feature of unibyte buffers; otherwise, who'd want them? Different question then: Why are all other characters in the range from #x80 to #xff shown in the backslash-escaped notation, #xa0 and #xad being the only exceptions? Ulrich