From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1572 invoked by alias); 15 Sep 2005 22:53:13 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 32390 invoked by uid 22791); 15 Sep 2005 22:51:46 -0000 Received: from h219-110-249-253.catv02.itscom.jp (HELO duron.akihabara.co.uk) (219.110.249.253) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Thu, 15 Sep 2005 22:51:46 +0000 Received: by duron.akihabara.co.uk (Postfix, from userid 1000) id 0832582B84; Fri, 16 Sep 2005 07:51:45 +0900 (JST) Date: Thu, 15 Sep 2005 22:53:00 -0000 From: Neil Booth To: geoffk at gcc dot gnu dot org Cc: gcc-bugs@gcc.gnu.org Subject: Re: [Bug preprocessor/9449] UCNs not recognized in identifiers (c++/c99) Message-ID: <20050915225144.GG2971@duron.akihabara.co.uk> References: <20030127145600.9449.rearnsha@arm.com> <20050915223447.20699.qmail@sourceware.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050915223447.20699.qmail@sourceware.org> User-Agent: Mutt/1.4.2.1i X-SW-Source: 2005-09/txt/msg01914.txt.bz2 List-Id: geoffk at gcc dot gnu dot org wrote:- > > ------- Additional Comments From geoffk at gcc dot gnu dot org 2005-09-15 22:34 ------- > (In reply to comment #39) > > Another reason why spelling needs preserving (in addition to implementing # > > correctly) is for the constraints on duplicate macro definitions. > > > > #define foo \u00c1 > > #define foo \u00C1 > > > > is invalid (different spelling in replacement), as is > > We discussed this on the list and decided that this was probably a defect in the C standard, since the > Rationale says that the kind of implementation we have now is supposed to be permitted, and jsm said > he'd file a DR. How's that going? I very much doubt this is a defect. Just because it doesn't fit your implementation... Neil.