From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nikolaj Schumacher Newsgroups: gmane.emacs.help Subject: Re: Difference between Font-Lock and Overlays Date: Fri, 10 Oct 2008 17:50:54 +0200 Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1223653909 18133 80.91.229.12 (10 Oct 2008 15:51:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 10 Oct 2008 15:51:49 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: =?utf-8?Q?Nordl=C3=B6w?= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Oct 10 17:52:43 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KoKI3-0006dM-Tt for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Oct 2008 17:52:32 +0200 Original-Received: from localhost ([127.0.0.1]:45230 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KoKGz-0007Y7-0S for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Oct 2008 11:51:25 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KoKGc-0007VV-Af for help-gnu-emacs@gnu.org; Fri, 10 Oct 2008 11:51:02 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KoKGb-0007Uw-ES for help-gnu-emacs@gnu.org; Fri, 10 Oct 2008 11:51:01 -0400 Original-Received: from [199.232.76.173] (port=41734 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KoKGb-0007Uq-9D for help-gnu-emacs@gnu.org; Fri, 10 Oct 2008 11:51:01 -0400 Original-Received: from dd18200.kasserver.com ([85.13.138.168]:41390) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KoKGa-0004yQ-JP for help-gnu-emacs@gnu.org; Fri, 10 Oct 2008 11:51:01 -0400 Original-Received: from thursday (BAH214a.bah.pppool.de [77.135.33.74]) by dd18200.kasserver.com (Postfix) with ESMTP id 2F2481838E27F; Fri, 10 Oct 2008 17:50:59 +0200 (CEST) In-Reply-To: (=?utf-8?Q?=22Nordl=C3=B6w=22's?= message of "Fri\, 10 Oct 2008 04\:19\:55 -0700 \(PDT\)") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (darwin) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:58672 Archived-At: Nordl=C3=B6w wrote: > When should I use font-lock-add-keywords() and when should I use > overlays to realize syntax highlighting? I'd say, if what you're highlighting syntax, and the syntax is simple enough, use font-lock. If you're highlighting something temporarily or dynamically, use overlays. Otherwise, you can also directly set the text's properties as you're parsing. regards, Nikolaj Schumacher