From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Harald Hanche-Olsen Newsgroups: gmane.emacs.devel Subject: Re: Unicode character read representation Date: Sat, 21 Feb 2009 15:22:44 +0100 (CET) Message-ID: <20090221.152244.41832092.hanche@math.ntnu.no> References: <87hc2n28a4.fsf@cyd.mit.edu> 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 1235226306 26219 80.91.229.12 (21 Feb 2009 14:25:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 21 Feb 2009 14:25:06 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Feb 21 15:26:21 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 1Laso8-0002fr-B4 for ged-emacs-devel@m.gmane.org; Sat, 21 Feb 2009 15:26:20 +0100 Original-Received: from localhost ([127.0.0.1]:33490 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Lasmn-0005v2-Su for ged-emacs-devel@m.gmane.org; Sat, 21 Feb 2009 09:24:58 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Laskq-0004hx-DY for emacs-devel@gnu.org; Sat, 21 Feb 2009 09:22:56 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Lasko-0004hJ-Ce for emacs-devel@gnu.org; Sat, 21 Feb 2009 09:22:55 -0500 Original-Received: from [199.232.76.173] (port=55070 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Laskn-0004h8-Dm for emacs-devel@gnu.org; Sat, 21 Feb 2009 09:22:53 -0500 Original-Received: from abel.math.ntnu.no ([129.241.15.50]:52518) by monty-python.gnu.org with smtp (Exim 4.60) (envelope-from ) id 1Laskm-00065P-TC for emacs-devel@gnu.org; Sat, 21 Feb 2009 09:22:53 -0500 Original-Received: (qmail 27208 invoked from network); 21 Feb 2009 14:22:50 -0000 Original-Received: from gauss.math.ntnu.no (HELO localhost) (hanche@129.241.15.102) by abel.math.ntnu.no with ESMTPA; 21 Feb 2009 14:22:50 -0000 In-Reply-To: <87hc2n28a4.fsf@cyd.mit.edu> X-URL: http://www.math.ntnu.no/~hanche/ X-Mailer: Mew version 6.1.53 on Emacs 23.0.60 / Mule 6.0 (HANACHIRUSATO) X-detected-operating-system: by monty-python.gnu.org: Solaris 8 (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:109277 Archived-At: + Chong Yidong : > From objects.texi in the Lisp manual: > > `\U00NNNNNN' represents the character whose Unicode code point is > `U+NNNNNN', if such a character is supported by Emacs. If the > corresponding character is not supported, Emacs signals an error. > > Are there any Unicode code points not supported by Emacs, or is this > sentence obsolete? I don't know the answer to your question, but it appears to me that some code points SHOULD not be supported. The most famous example being U+FFFE, which is why U+FEFF ZERO WIDTH NO-BREAK SPACE is useful as a byte-order mark. (But Emacs reads "\0000FFFE" just fine. A bug?) - Harald