From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Kevin Rodgers Newsgroups: gmane.emacs.help Subject: Re: font-lock and fontifying the few first nonempty lines in a buffer Date: Thu, 26 Jun 2003 17:26:29 -0600 Sender: help-gnu-emacs-bounces+gnu-help-gnu-emacs=m.gmane.org@gnu.org Message-ID: <3EFB8125.6090600@yahoo.com> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: main.gmane.org 1056670335 22699 80.91.224.249 (26 Jun 2003 23:32:15 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 26 Jun 2003 23:32:15 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+gnu-help-gnu-emacs=m.gmane.org@gnu.org Fri Jun 27 01:32:14 2003 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 19VgDt-0005tw-00 for ; Fri, 27 Jun 2003 01:32:13 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.20) id 19VgCc-0005tA-Mu for gnu-help-gnu-emacs@m.gmane.org; Thu, 26 Jun 2003 19:30:54 -0400 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!cyclone.bc.net!skynet.be!skynet.be!fu-berlin.de!uni-berlin.de!170.207.51.80!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 40 Original-NNTP-Posting-Host: 170.207.51.80 Original-X-Trace: fu-berlin.de 1056669925 30286061 170.207.51.80 (16 [82742]) User-Agent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:0.9.4.1) Gecko/20020406 Netscape6/6.2.2 X-Accept-Language: en-us Original-Xref: shelby.stanford.edu gnu.emacs.help:114770 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1b5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , Errors-To: help-gnu-emacs-bounces+gnu-help-gnu-emacs=m.gmane.org@gnu.org Xref: main.gmane.org gmane.emacs.help:11261 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:11261 Ulf Andersson wrote: > I'm trying to write a major mode for Emacs, that need to fontify the few > first nonempty lines in the buffer. The mode do some other coloring in > addition to this, and that works OK. So far I have experimented with > `after-change-functions' and function matchers in `font-lock-keywords', > but all I manage to do is sending my Emacs into an infinite loop deep > down inside. I have to kill it from outside to get out of the lockup. > > I am using emacs 21.2.1 in a Windows 2000 environment. > > Has anyone already done somthing similar? > Is there an `obvious canonical way' to do this? > Is this downright impossible to do using `font-lock'? If you need a regexp that matches 3 non-empty lines at the beginning of the buffer: interactively programatically ------------- --------------- \`\(.+ C-q C-j \)\{3\} "\\`\\(.+\n\\)\\{3\\}" (If you need a regexp that matches the first 3 lines in the buffer, replace + by *.) If you need a regexp that matches the first 3 non-empty lines in the buffer: interactively programatically ------------- --------------- M-< (goto-char (point-min)) \(^$\)*\(.+ C-q C-q \)\{3\} "\\(^$\\)*\\(.+\n\\)\\{3\\}" -- Kevin Rodgers