From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Kevin Rodgers Newsgroups: gmane.emacs.help Subject: Re: eval trouble Date: Wed, 17 Sep 2008 01:51:54 -0600 Message-ID: References: <48B2E455.4060600@gmail.com><85k5e43mdq.fsf@lola.goethe.zz> <006101c916b8$1080a670$0200a8c0@us.oracle.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1221638135 7147 80.91.229.12 (17 Sep 2008 07:55:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 17 Sep 2008 07:55:35 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Sep 17 09:56:31 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 1Kfrtm-0004X6-79 for geh-help-gnu-emacs@m.gmane.org; Wed, 17 Sep 2008 09:56:30 +0200 Original-Received: from localhost ([127.0.0.1]:40327 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kfrsk-0000U7-RY for geh-help-gnu-emacs@m.gmane.org; Wed, 17 Sep 2008 03:55:26 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KfrsS-0000TI-4b for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 03:55:08 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KfrsP-0000SA-Nh for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 03:55:06 -0400 Original-Received: from [199.232.76.173] (port=37922 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KfrsP-0000S2-Kd for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 03:55:05 -0400 Original-Received: from mx20.gnu.org ([199.232.41.8]:36356) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KfrsP-00082Q-1s for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 03:55:05 -0400 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KfrsO-0007GZ-89 for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 03:55:04 -0400 Original-Received: from root by ciao.gmane.org with local (Exim 4.43) id 1KfrsM-0001jX-Q5 for help-gnu-emacs@gnu.org; Wed, 17 Sep 2008 07:55:02 +0000 Original-Received: from c-67-161-145-183.hsd1.co.comcast.net ([67.161.145.183]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Sep 2008 07:55:02 +0000 Original-Received: from kevin.d.rodgers by c-67-161-145-183.hsd1.co.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Sep 2008 07:55:02 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: c-67-161-145-183.hsd1.co.comcast.net User-Agent: Thunderbird 2.0.0.16 (Macintosh/20080707) In-Reply-To: <006101c916b8$1080a670$0200a8c0@us.oracle.com> X-detected-kernel: by mx20.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-detected-operating-system: by monty-python.gnu.org: GNU/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:57723 Archived-At: Drew Adams wrote: >> Please, why the comma before sym -- quoted, no less: >>> (put ',sym 'some 'value)))) > > See the Emacs manual, node Backquote. > > Inside a backquote (`): > ,sym evaluates sym and uses that value. > ' then wraps that in (quote ...) > > So if the value of sym is hello, > then ,sym gives hello and ',sym gives 'hello. As does (quote ,sym) -- Kevin Rodgers Denver, Colorado, USA