From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kai Grossjohann Newsgroups: gmane.emacs.help Subject: Re: (list) and '(list) Date: Mon, 30 Apr 2007 14:49:48 +0200 Message-ID: <86r6q281sj.fsf@ketchup.de.uu.net> References: <9406124.888091177600624458.JavaMail.www@wwinf4203> <87zm4um60b.fsf@thalassa.lan.informatimago.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1177937426 7462 80.91.229.12 (30 Apr 2007 12:50:26 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 30 Apr 2007 12:50:26 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Apr 30 14:50:25 2007 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 1HiVKi-0001ck-Nl for geh-help-gnu-emacs@m.gmane.org; Mon, 30 Apr 2007 14:50:24 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HiVQt-00052Y-VL for geh-help-gnu-emacs@m.gmane.org; Mon, 30 Apr 2007 08:56:47 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HiVQg-000526-Le for help-gnu-emacs@gnu.org; Mon, 30 Apr 2007 08:56:34 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HiVQf-00051u-2i for help-gnu-emacs@gnu.org; Mon, 30 Apr 2007 08:56:33 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HiVQe-00051r-TX for help-gnu-emacs@gnu.org; Mon, 30 Apr 2007 08:56:32 -0400 Original-Received: from main.gmane.org ([80.91.229.2] 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 1HiVKS-0005vN-VU for help-gnu-emacs@gnu.org; Mon, 30 Apr 2007 08:50:09 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1HiVKI-0002bL-GG for help-gnu-emacs@gnu.org; Mon, 30 Apr 2007 14:50:06 +0200 Original-Received: from de-lt-054776l.eu.frd.uu.net ([62.191.185.105]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 30 Apr 2007 14:49:58 +0200 Original-Received: from kai by de-lt-054776l.eu.frd.uu.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 30 Apr 2007 14:49:58 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 15 Original-X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: de-lt-054776l.eu.frd.uu.net User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.97 (gnu/linux) Cancel-Lock: sha1:/kYjICLQ3OFf+temj52LDQjkGkk= X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4) 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:43405 Archived-At: Pascal Bourguignon writes: > Kai Grossjohann writes: >> For example, to reverse the condition of `if' (proof of concept only, >> not production code): >> >> (defmacro ifnot (test no yes) >> (if (not test) no yes)) > > (defmacro ifnot (test no yes) > `(if (not ,test) ,no ,yes)) *blush* Kai