From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Barry Margolin Newsgroups: gmane.emacs.help Subject: Re: What does "lacks a prefix" mean? Date: Sat, 11 Jul 2015 19:58:15 -0400 Organization: A noiseless patient Spider Message-ID: References: <1e0ad02f-ca3e-495c-bb85-61f77090d31d@googlegroups.com> <87bnfmqzn2.fsf@kuiper.lan.informatimago.com> <87io9ui67a.fsf@nl106-137-147.student.uu.se> <871tghj720.fsf@nl106-137-147.student.uu.se> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1436659218 21221 80.91.229.3 (12 Jul 2015 00:00:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 12 Jul 2015 00:00:18 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Jul 12 02:00:18 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 1ZE4gr-0002TT-GY for geh-help-gnu-emacs@m.gmane.org; Sun, 12 Jul 2015 02:00:17 +0200 Original-Received: from localhost ([::1]:49359 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZE4gq-0005WL-HP for geh-help-gnu-emacs@m.gmane.org; Sat, 11 Jul 2015 20:00:16 -0400 Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!1.eu.feeder.erje.net!newsfeed.datemas.de!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!barmar.motzarella.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 23 Injection-Info: barmar.motzarella.org; posting-host="2be9e9f5dd9af768b8861af71b85fc28"; logging-data="15117"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19Q8NLadGgYhsBNpYC6B1ei" User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) Cancel-Lock: sha1:EoExVo37qfvq/0aNpsmMhoEfx5Y= Original-Xref: usenet.stanford.edu gnu.emacs.help:213328 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:105615 Archived-At: In article , Emanuel Berg wrote: > 3) "let", if let was let*, would be less thinking in > advance since then you wouldn't have to think "so, > will I have variables now which will depend on > each other?" You'd just type "let" in either case! > Likewise, when you modify code long after you > first wrote it, you often insert a new variable > that is "dependent" on another, and then you have > to change the `let' to `let*'. But this is very > easy to forget and it is always a silly mistake > when it happens. This is a reasonable argument. It's not uncommon to start writing a let, realize that the initialization expression has some repetition, so you want to refactor it to use variables for them. Then you need to change it to let*. -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me ***