From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: font-lock-keywords: matcher function not working Date: Fri, 28 Jun 2013 15:30:02 -0400 Message-ID: References: <8d3f8211-d708-4e79-aab4-6cc8141c6c92@googlegroups.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1372447829 27959 80.91.229.3 (28 Jun 2013 19:30:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 28 Jun 2013 19:30:29 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jun 28 21:30:29 2013 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UseNI-0001er-2p for geh-help-gnu-emacs@m.gmane.org; Fri, 28 Jun 2013 21:30:28 +0200 Original-Received: from localhost ([::1]:53448 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UseNH-0007kS-Lz for geh-help-gnu-emacs@m.gmane.org; Fri, 28 Jun 2013 15:30:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53654) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UseN7-0007jx-93 for help-gnu-emacs@gnu.org; Fri, 28 Jun 2013 15:30:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UseN6-0006RU-CY for help-gnu-emacs@gnu.org; Fri, 28 Jun 2013 15:30:17 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:42047) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UseN6-0006RK-5z for help-gnu-emacs@gnu.org; Fri, 28 Jun 2013 15:30:16 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UseN4-0001Qk-FZ for help-gnu-emacs@gnu.org; Fri, 28 Jun 2013 21:30:14 +0200 Original-Received: from 76-10-154-64.dsl.teksavvy.com ([76.10.154.64]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 28 Jun 2013 21:30:14 +0200 Original-Received: from monnier by 76-10-154-64.dsl.teksavvy.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 28 Jun 2013 21:30:14 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 76-10-154-64.dsl.teksavvy.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) Cancel-Lock: sha1:0C179auZePYxTRY9iN7vpLO5EoI= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:91826 Archived-At: > However, doesn't my matcher function search already? No, it doesn't. > It checks the current position first to return NIL for a failed match. That's not a search. It just says "doesn't match here" without saying anything about the rest of the text until ^end, whereas a nil return value is supposed to mean "nothing found between here and ^end" (just as a nil return value of `re-search-forward'). Stefan