From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: efficiently viewing Unix timestamps as dates
Date: Thu, 16 Dec 2010 21:35:10 -0500
Organization: A noiseless patient Spider
Message-ID: <jwvzks5w2is.fsf-monnier+gnu.emacs.help@gnu.org>
References: <87mxo9mvxm.fsf@lifelogs.com>
	<mailman.8.1292484545.7231.help-gnu-emacs@gnu.org>
	<87bp4la59u.fsf@lifelogs.com>
	<jwvlj3pxt9q.fsf-monnier+gnu.emacs.help@gnu.org>
	<87fwtx5n3c.fsf@lifelogs.com>
NNTP-Posting-Host: lo.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: dough.gmane.org 1292553633 27355 80.91.229.12 (17 Dec 2010 02:40:33 GMT)
X-Complaints-To: usenet@dough.gmane.org
NNTP-Posting-Date: Fri, 17 Dec 2010 02:40:33 +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 Dec 17 03:40:27 2010
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
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 4.69)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1PTQF8-0001fR-Ur
	for geh-help-gnu-emacs@m.gmane.org; Fri, 17 Dec 2010 03:40:27 +0100
Original-Received: from localhost ([127.0.0.1]:51319 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1PTQF8-00084u-55
	for geh-help-gnu-emacs@m.gmane.org; Thu, 16 Dec 2010 21:40:26 -0500
Original-Path: usenet.stanford.edu!goblin1!goblin.stu.neva.ru!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 22
Injection-Info: mx03.eternal-september.org;
	posting-host="npc8WwhkFofBeKiRj5F6nA"; 
	logging-data="28644"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX1+FZPTnPVqEjbb5dgfFzEGe"
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)
Cancel-Lock: sha1:qoZ+BMO3XoeNHe8EkIKX/3PNhzw=
	sha1:N17aqq9fa2IEyjHY9IDMwp6qkOI=
Original-Xref: usenet.stanford.edu gnu.emacs.help:183360
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 <help-gnu-emacs.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/help-gnu-emacs>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=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:77612
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/77612>

> (add-hook 'foo-mode-hook
>           (lambda ()
>             (font-lock-add-keywords
>              nil
>              '(("[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]"
>                 (0 `(face nil display
>                           ,(format-time-string "%F %T"
>                                                (seconds-to-time
>                                                 (car
>                                                  (read-from-string
>                                                   (concat
>                                                    (match-string 0)
>                                                    ".0"))))))))))))

> I'd rather make this a minor mode than a hook, so I can easily turn it
> on in a buffer.  Is that easy or hard to do?  Any specific example I can
> look at?

Use `define-minor-mode' rather than `add-hook'.


        Stefan