From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: What does "lacks a prefix" mean? Date: Fri, 10 Jul 2015 18:00:45 +0200 Message-ID: <87lheo80k2.fsf@nl106-137-147.student.uu.se> References: <1e0ad02f-ca3e-495c-bb85-61f77090d31d@googlegroups.com> <87bnfmqzn2.fsf@kuiper.lan.informatimago.com> <50e94679-4d4a-4440-a806-872dc05657ec@googlegroups.com> <139e2557-e8f9-4d5a-921b-0d114d2524aa@googlegroups.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1436547771 20472 80.91.229.3 (10 Jul 2015 17:02:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 10 Jul 2015 17:02:51 +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 Jul 10 19:02:42 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 1ZDbhC-0002Qy-Cp for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Jul 2015 19:02:42 +0200 Original-Received: from localhost ([::1]:45494 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZDbhB-0002m7-Rk for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Jul 2015 13:02:41 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42531) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZDal0-0003Pn-H3 for help-gnu-emacs@gnu.org; Fri, 10 Jul 2015 12:02:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZDakw-00058x-7z for help-gnu-emacs@gnu.org; Fri, 10 Jul 2015 12:02:34 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:37414) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZDakw-00058p-14 for help-gnu-emacs@gnu.org; Fri, 10 Jul 2015 12:02:30 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZDaku-0000Hf-63 for help-gnu-emacs@gnu.org; Fri, 10 Jul 2015 18:02:28 +0200 Original-Received: from nl106-137-156.student.uu.se ([130.243.137.156]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Jul 2015 18:02:28 +0200 Original-Received: from embe8573 by nl106-137-156.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Jul 2015 18:02:28 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 19 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-156.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:HeECV4Q9OCEZEXPWuPHl8y4Zymw= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 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:105584 Archived-At: Rusi writes: >> let* already does what let does. > > *** Welcome to IELM *** Type (describe-mode) for help. > ELISP> (setq a 'a b 'b) > ELISP> (let ((a b)(b a)) (list a b)) > (b a) > > ELISP> (let* ((a b)(b a)) (list a b)) > (b b) I have 178 "let"s in my Elisp and I'm confident I could replace all of them with `let*' without braking a single defun. -- underground experts united http://user.it.uu.se/~embe8573