From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Combining face and map stuff
Date: Mon, 04 Oct 2010 03:56:11 -0400
Message-ID: <E1P2fu7-0003Vg-VG@fencepost.gnu.org>
References: <m3hbh4isk3.fsf@quimbies.gnus.org>
	<jwvsk0muahj.fsf-monnier+emacs@gnu.org>
Reply-To: Eli Zaretskii <eliz@gnu.org>
NNTP-Posting-Host: lo.gmane.org
X-Trace: dough.gmane.org 1286178982 20909 80.91.229.12 (4 Oct 2010 07:56:22 GMT)
X-Complaints-To: usenet@dough.gmane.org
NNTP-Posting-Date: Mon, 4 Oct 2010 07:56:22 +0000 (UTC)
Cc: emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 04 09:56:21 2010
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
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 4.69)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1P2fuG-00027x-Ru
	for ged-emacs-devel@m.gmane.org; Mon, 04 Oct 2010 09:56:21 +0200
Original-Received: from localhost ([127.0.0.1]:56947 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1P2fuG-0001KA-Da
	for ged-emacs-devel@m.gmane.org; Mon, 04 Oct 2010 03:56:20 -0400
Original-Received: from [140.186.70.92] (port=55313 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1P2fu9-0001K5-TH
	for emacs-devel@gnu.org; Mon, 04 Oct 2010 03:56:14 -0400
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1P2fu8-0002Em-Fy
	for emacs-devel@gnu.org; Mon, 04 Oct 2010 03:56:13 -0400
Original-Received: from fencepost.gnu.org ([140.186.70.10]:57422)
	by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@gnu.org>)
	id 1P2fu8-0002Ei-EV
	for emacs-devel@gnu.org; Mon, 04 Oct 2010 03:56:12 -0400
Original-Received: from eliz by fencepost.gnu.org with local (Exim 4.69)
	(envelope-from <eliz@gnu.org>)
	id 1P2fu7-0003Vg-VG; Mon, 04 Oct 2010 03:56:11 -0400
In-reply-to: <jwvsk0muahj.fsf-monnier+emacs@gnu.org> (message from Stefan
	Monnier on Mon, 04 Oct 2010 01:37:26 +0200)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3)
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=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:131315
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/131315>

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Mon, 04 Oct 2010 01:37:26 +0200
> 
> - rather than have just one set of text-properties per char, make it
>   possible to have several.  E.g. font-lock would use its own set of
>   text properties.  One way to do that is that a `property' can now be
>   a cons whose car is a "plane" and whose cdr is a property.

How would the display engine know which "plane" to use for rendering
each character?  Or are you suggesting to hard-code a fixed list of
"planes" in the display code?