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: Mis-features of let Date: Tue, 19 Apr 2005 08:55:20 -0400 Organization: Symantec Message-ID: References: <1113844268.703229.310830@g14g2000cwa.googlegroups.com> <1113851147.155814.314630@g14g2000cwa.googlegroups.com> <87y8bfzx9z.fsf-monnier+gnu.emacs.help@gnu.org> <1113869741.838603.250620@o13g2000cwo.googlegroups.com> <87pswry5py.fsf-monnier+gnu.emacs.help@gnu.org> <1113882527.264397.292310@o13g2000cwo.googlegroups.com> <87y8bfwgrv.fsf-monnier+gnu.emacs.help@gnu.org> <1113892700.139927.168000@g14g2000cwa.googlegroups.com> NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1113915888 29647 80.91.229.2 (19 Apr 2005 13:04:48 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 19 Apr 2005 13:04:48 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Apr 19 15:04:45 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DNsOI-0004kT-VN for geh-help-gnu-emacs@m.gmane.org; Tue, 19 Apr 2005 15:03:47 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DNsN8-0008Hg-Ex for geh-help-gnu-emacs@m.gmane.org; Tue, 19 Apr 2005 09:02:35 -0400 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!postnews.google.com!news3.google.com!news.glorb.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail Original-NNTP-Posting-Date: Tue, 19 Apr 2005 07:55:20 -0500 Original-Newsgroups: gnu.emacs.help Mail-Copies-To: nobody User-Agent: MT-NewsWatcher/3.4 (PPC Mac OS X) X-Copies-To: never Original-Lines: 18 Original-NNTP-Posting-Host: 24.128.234.87 Original-X-Trace: sv3-UeS8OIh/58Qmw9bWpFI3wkQelX3bSX1RtYDVwZb3lWDVAu0iBjJtaZEoepE8Y1Pt/HMJnvG0T8WqoRp!jgkH6i2pfmULeAAvCbZvjZEKS+IsTI91dk8rr8tWwAXZKppHxIaOWN30ivWo66EOucSx5Rgymfpr!ibNAj0Hjy8I8+NYpx01o9tbt9xCeG5OrMg== Original-X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.32 Original-Xref: shelby.stanford.edu gnu.emacs.help:130252 Original-To: help-gnu-emacs@gnu.org 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:25820 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:25820 In article <1113892700.139927.168000@g14g2000cwa.googlegroups.com>, "rgb" wrote: > Do you now see what I'm getting at? Only the lifetime of the value > cell is predictable on a symbol within a let. That makes the other > cells unsafe to touch because their lifetime is unpredictable. The lifetimes of the other cells are totally unaffected by the the let, and nothing in the manual ever suggests that they would be. It doesn't say they aren't, but it also doesn't say that let doesn't print anything. Like I said in an earlier post, it's not necessary to list all the things that an operator doesn't do, since there are an infinite number of things it doesn't do. -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me ***