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: obarray Date: Tue, 17 Dec 2013 12:32:37 -0500 Organization: A noiseless patient Spider Message-ID: References: <87haabq6gl.fsf@nl106-137-194.student.uu.se> <87bo0irj13.fsf@nl106-137-194.student.uu.se> <87wqj6pva0.fsf@nl106-137-194.student.uu.se> <87txeaxb4l.fsf@nl106-137-194.student.uu.se> <87r49cp6o5.fsf@nl106-137-194.student.uu.se> <87lhzkp4cx.fsf@nl106-137-194.student.uu.se> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1387301733 31963 80.91.229.3 (17 Dec 2013 17:35:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 17 Dec 2013 17:35:33 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Dec 17 18:35:40 2013 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 1VsyYV-00033s-J4 for geh-help-gnu-emacs@m.gmane.org; Tue, 17 Dec 2013 18:35:39 +0100 Original-Received: from localhost ([::1]:34715 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VsyYV-00031N-70 for geh-help-gnu-emacs@m.gmane.org; Tue, 17 Dec 2013 12:35:39 -0500 Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.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="15045"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18Cki2bm1EIynsdqK6OzIMF" User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) Cancel-Lock: sha1:uhlr6gxxkt+RCedE2iVR1wZWSUI= Original-Xref: usenet.stanford.edu gnu.emacs.help:202790 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:95059 Archived-At: In article <87lhzkp4cx.fsf@nl106-137-194.student.uu.se>, Emanuel Berg wrote: > Michael Heerdegen writes: > > > They used a quite exotic name for the symbol so such > > a collision is unlikely, but strictly speaking, the > > implementation of dolist is not correct. > > I agree, might as well do it fool-proof. If things can > go wrong, sometime they will. It's a tradeoff. If you use uninterned symbols, debugging the macro is harder because you can't easily get the value of the temporaries. The name they chose is so unlikely that a collision will only happen if someone is doing it deliberately. We don't worry about such internally malicious code. -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me ***