From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Rusi Newsgroups: gmane.emacs.help Subject: Re: What does "lacks a prefix" mean? Date: Thu, 9 Jul 2015 07:10:00 -0700 (PDT) Message-ID: <50e94679-4d4a-4440-a806-872dc05657ec@googlegroups.com> References: <1e0ad02f-ca3e-495c-bb85-61f77090d31d@googlegroups.com> <87bnfmqzn2.fsf@kuiper.lan.informatimago.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1436451037 17662 80.91.229.3 (9 Jul 2015 14:10:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Jul 2015 14:10:37 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Jul 09 16:10:36 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 1ZDCX2-0003UY-0p for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2015 16:10:32 +0200 Original-Received: from localhost ([::1]:40126 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZDCX1-0008MA-A6 for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2015 10:10:31 -0400 X-Received: by 10.66.144.101 with SMTP id sl5mr19822787pab.0.1436451000940; Thu, 09 Jul 2015 07:10:00 -0700 (PDT) X-Received: by 10.50.72.42 with SMTP id a10mr861044igv.14.1436451000898; Thu, 09 Jul 2015 07:10:00 -0700 (PDT) Original-Path: usenet.stanford.edu!i4no376641ige.0!news-out.google.com!a16ni12986ign.0!nntp.google.com!qs7no3043042igc.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Original-Newsgroups: gnu.emacs.help In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=59.94.113.168; posting-account=mBpa7woAAAAGLEWUUKpmbxm-Quu5D8ui Original-NNTP-Posting-Host: 59.94.113.168 User-Agent: G2/1.0 Injection-Date: Thu, 09 Jul 2015 14:10:00 +0000 Original-Xref: usenet.stanford.edu gnu.emacs.help:213274 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:105561 Archived-At: On Thursday, July 9, 2015 at 7:31:44 PM UTC+5:30, Barry Margolin wrote: > In article > Emanuel Berg wrote: > > > Actually I see no harm using let* all the time. > > This is a frequent subject of style arguments. > > As far as the computer is concerned, there should be no problem with > using let* all the time. But to human readers, it makes a difference. > Some of us view the * as being a red flag, warning the reader that > something unusual is being done. We'll then expend more mental energy > looking for the dependencies. let is the "normal" method, let* is > "special". Ive sometimes wished for a let-variant that does the duty of both let and let* eg. (let (((x 1) (y 2)) ((z (foo x y)))) body...) This kind of let would cost one paren more than the usual let. But could make dependencies explicit without overspecifying