From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Emacs 23 character code space Date: Fri, 07 Nov 2008 12:27:04 +0200 Message-ID: References: Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1226055123 5657 80.91.229.12 (7 Nov 2008 10:52:03 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 7 Nov 2008 10:52:03 +0000 (UTC) Cc: emacs-devel@gnu.org To: Kenichi Handa Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Nov 07 11:53:06 2008 connect(): Connection refused 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 1KyOxZ-0000SN-FC for ged-emacs-devel@m.gmane.org; Fri, 07 Nov 2008 11:53:01 +0100 Original-Received: from localhost ([127.0.0.1]:52716 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KyOwR-0007Nj-BE for ged-emacs-devel@m.gmane.org; Fri, 07 Nov 2008 05:51:51 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KyOYX-0005n5-A7 for emacs-devel@gnu.org; Fri, 07 Nov 2008 05:27:09 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KyOYV-0005mb-A0 for emacs-devel@gnu.org; Fri, 07 Nov 2008 05:27:07 -0500 Original-Received: from [199.232.76.173] (port=39884 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KyOYT-0005m8-VK for emacs-devel@gnu.org; Fri, 07 Nov 2008 05:27:06 -0500 Original-Received: from mtaout2.012.net.il ([84.95.2.4]:50931) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KyOYU-0006X8-30 for emacs-devel@gnu.org; Fri, 07 Nov 2008 05:27:06 -0500 Original-Received: from conversion-daemon.i_mtaout2.012.net.il by i_mtaout2.012.net.il (HyperSendmail v2004.12) id <0K9Y00I00KQH3100@i_mtaout2.012.net.il> for emacs-devel@gnu.org; Fri, 07 Nov 2008 12:28:49 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.126.241.172]) by i_mtaout2.012.net.il (HyperSendmail v2004.12) with ESMTPA id <0K9Y002EWL40XUI2@i_mtaout2.012.net.il>; Fri, 07 Nov 2008 12:28:49 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by monty-python.gnu.org: Solaris 9.1 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:105433 Archived-At: > From: Kenichi Handa > CC: emacs-devel@gnu.org > Date: Fri, 07 Nov 2008 16:21:00 +0900 > > > This fragment from etc/NEWS: > > The character code space is now 0x0..0x3FFFFF with no gap. > > Characters of code 0x0..0x10FFFF are Unicode characters of the same code points. > > Characters of code 0x3FFF80..0x3FFFFF are raw 8-bit bytes. > > > seems to contradict itself: it says there's ``no gap'', but the codes > > between 0x110000 and 0x3FFF7F do constitute a gap, don't they? > > Any code between 0x110000 and 0x3FFF7F are valid as > character. Some of them correspond to a certain character > set, some are not. For the latter, only utf-emacs can > encode, and they can't be displayed with any font. But > still they are valid as characters. For instance, you can > set any syntax/category/char-code-property to them. Thanks. But I'm still a bit in the dark, as for how to describe this correctly and concisely. Do we actually use the range of codes between 0x110000 and 0x3FFF7F? If so, for what characters? If we do not use them now, are there some plans for using them in the future?