From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Tobias C. Rittweiler" Newsgroups: gmane.emacs.devel Subject: Re: `font-lock-extend-region-functions' vs. `font-lock-extend-after-change-region-function' Date: Sat, 16 May 2009 14:26:05 +0200 Message-ID: <87ws8hi68y.fsf@freebits.de> References: <87prewlrl9.fsf@freebits.de> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1242476818 19581 80.91.229.12 (16 May 2009 12:26:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 16 May 2009 12:26:58 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat May 16 14:26:47 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 1M5IyV-0003mo-8J for ged-emacs-devel@m.gmane.org; Sat, 16 May 2009 14:26:47 +0200 Original-Received: from localhost ([127.0.0.1]:34841 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M5IyU-0003yk-Oe for ged-emacs-devel@m.gmane.org; Sat, 16 May 2009 08:26:46 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M5IyB-0003qs-30 for emacs-devel@gnu.org; Sat, 16 May 2009 08:26:27 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M5Iy6-0003nA-49 for emacs-devel@gnu.org; Sat, 16 May 2009 08:26:26 -0400 Original-Received: from [199.232.76.173] (port=54819 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M5Iy5-0003n3-SJ for emacs-devel@gnu.org; Sat, 16 May 2009 08:26:21 -0400 Original-Received: from main.gmane.org ([80.91.229.2]:55044 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1M5Iy5-00066e-Cb for emacs-devel@gnu.org; Sat, 16 May 2009 08:26:21 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1M5Iy0-0003TW-AO for emacs-devel@gnu.org; Sat, 16 May 2009 12:26:16 +0000 Original-Received: from host145.natpool.mwn.de ([138.246.7.145]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 16 May 2009 12:26:16 +0000 Original-Received: from tcr by host145.natpool.mwn.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 16 May 2009 12:26:16 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 21 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: host145.natpool.mwn.de User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/23.0.60 (gnu/linux) Cancel-Lock: sha1:rUcwjzPYIt8XWZGE5sy3Q+9WGKM= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) 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:110926 Archived-At: "Tobias C. Rittweiler" writes: > Hi, > > what is the difference between the variables > > `font-lock-extend-region-functions' > > and > > `font-lock-extend-after-change-region-function' ? Another question: The latter variable requires that its function preverse match-data. Looking at how the first variable is used, I don't think the same is true for the first variable, right? (Perhaps it docstring could explicitly say that its functions do not need to save match-data or point.) -T.