From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Error during redisplay Date: Wed, 27 Feb 2008 07:59:58 +0100 Message-ID: <85ir0aubo1.fsf@lola.goethe.zz> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1204095615 16665 80.91.229.12 (27 Feb 2008 07:00:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 27 Feb 2008 07:00:15 +0000 (UTC) Cc: lekktu@gmail.com, rms@gnu.org, emacs-devel@gnu.org To: Kenichi Handa Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 27 08:00:40 2008 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 1JUGHP-0003WY-5M for ged-emacs-devel@m.gmane.org; Wed, 27 Feb 2008 08:00:39 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JUGGt-0002AE-IN for ged-emacs-devel@m.gmane.org; Wed, 27 Feb 2008 02:00:07 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JUGGp-00028w-V0 for emacs-devel@gnu.org; Wed, 27 Feb 2008 02:00:04 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JUGGn-00025D-EG for emacs-devel@gnu.org; Wed, 27 Feb 2008 02:00:02 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JUGGn-00024u-5e for emacs-devel@gnu.org; Wed, 27 Feb 2008 02:00:01 -0500 Original-Received: from mail-in-02.arcor-online.net ([151.189.21.42]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JUGGi-0000vQ-Bw; Wed, 27 Feb 2008 01:59:56 -0500 Original-Received: from mail-in-18-z2.arcor-online.net (mail-in-18-z2.arcor-online.net [151.189.8.35]) by mail-in-02.arcor-online.net (Postfix) with ESMTP id D532232E711; Wed, 27 Feb 2008 07:59:54 +0100 (CET) Original-Received: from mail-in-05.arcor-online.net (mail-in-05.arcor-online.net [151.189.21.45]) by mail-in-18-z2.arcor-online.net (Postfix) with ESMTP id B843C5100EA; Wed, 27 Feb 2008 07:59:54 +0100 (CET) Original-Received: from lola.goethe.zz (dslb-084-061-026-120.pools.arcor-ip.net [84.61.26.120]) by mail-in-05.arcor-online.net (Postfix) with ESMTP id 06F861FB026; Wed, 27 Feb 2008 07:59:53 +0100 (CET) Original-Received: by lola.goethe.zz (Postfix, from userid 1002) id 1BBA81C0027D; Wed, 27 Feb 2008 07:59:57 +0100 (CET) In-Reply-To: (Kenichi Handa's message of "Wed, 27 Feb 2008 10:28:04 +0900") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) X-Virus-Scanned: ClamAV 0.92.1/6006/Wed Feb 27 02:03:40 2008 on mail-in-05.arcor-online.net X-Virus-Status: Clean X-detected-kernel: by monty-python.gnu.org: Linux 2.4-2.6 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:90570 Archived-At: Kenichi Handa writes: > The current design requires to add `composition' property to a string > to properly display the string if it contains, for instance, some of > Indic characters, and to add `auto-composed' property to avoid the > repeated generation of `composition' property. > >> If they SHOULD have these properties, probably we should make sure they have >> these properties from the start, or from an early point in building Emacs. > > That's impossible. How to compose them depends on which > font to use. Since the same string can be displayed with different fonts simultaneously, this would look like a fault in the design. The composition property/whatever apparently needs to be associated with the actual display, not just the string. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum