From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Robert Thorpe Newsgroups: gmane.emacs.help Subject: Re: How the backquote and the comma really work? Date: Fri, 26 Jun 2015 00:55:26 +0100 Message-ID: <87616bfimp.fsf@robertthorpeconsulting.com> References: <877fqrbpij.fsf@web.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1435276552 19016 80.91.229.3 (25 Jun 2015 23:55:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 25 Jun 2015 23:55:52 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: Michael Heerdegen Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jun 26 01:55:43 2015 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 1Z8Gze-0000cL-Ha for geh-help-gnu-emacs@m.gmane.org; Fri, 26 Jun 2015 01:55:42 +0200 Original-Received: from localhost ([::1]:57814 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8Gze-00064J-0l for geh-help-gnu-emacs@m.gmane.org; Thu, 25 Jun 2015 19:55:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8GzU-000642-5R for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 19:55:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8GzR-0003JX-Eg for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 19:55:32 -0400 Original-Received: from outbound-smtp02.blacknight.com ([81.17.249.8]:59789) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8GzR-0003G3-94 for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 19:55:29 -0400 Original-Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp02.blacknight.com (Postfix) with ESMTPS id 8BD50996D9 for ; Thu, 25 Jun 2015 23:55:27 +0000 (UTC) Original-Received: (qmail 32330 invoked from network); 25 Jun 2015 23:55:27 -0000 Original-Received: from unknown (HELO RTLaptop) (rt@robertthorpeconsulting.com@[109.76.122.253]) by 81.17.254.9 with ESMTPSA (DHE-RSA-AES128-SHA encrypted, authenticated); 25 Jun 2015 23:55:27 -0000 In-Reply-To: <877fqrbpij.fsf@web.de> (message from Michael Heerdegen on Thu, 25 Jun 2015 20:40:20 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 81.17.249.8 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:105188 Archived-At: Michael Heerdegen writes: > Here is the expression the reader generates for "`',foo": > > (read "`',foo") ==> (\` (quote (\, foo))) > > (be sure to eval with print-quoted nil, the default). In some cases the commands "macroexpand" and "macroexpand-all" can be useful for finding out what complicated types of quoting do. BR, Robert Thorpe