From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Peter Whaite Newsgroups: gmane.emacs.devel Subject: Re: Documentation for car and cdr Date: Thu, 26 Jan 2006 18:19:01 -0500 Message-ID: <20200.1138317541@brains.moreideas.ca> References: NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1138317640 28321 80.91.229.2 (26 Jan 2006 23:20:40 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 26 Jan 2006 23:20:40 +0000 (UTC) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jan 27 00:20:35 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1F2GPb-0004Ut-68 for ged-emacs-devel@m.gmane.org; Fri, 27 Jan 2006 00:20:20 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1F2GSO-0007U3-7C for ged-emacs-devel@m.gmane.org; Thu, 26 Jan 2006 18:23:12 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1F2GRJ-0007Sr-0p for emacs-devel@gnu.org; Thu, 26 Jan 2006 18:22:05 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1F2GRF-0007R9-8Q for emacs-devel@gnu.org; Thu, 26 Jan 2006 18:22:04 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1F2GRF-0007R6-5k for emacs-devel@gnu.org; Thu, 26 Jan 2006 18:22:01 -0500 Original-Received: from [209.5.194.99] (helo=berlinr.sprint.ca) by monty-python.gnu.org with esmtp (Exim 4.52) id 1F2GOs-0001Ld-Ua for emacs-devel@gnu.org; Thu, 26 Jan 2006 18:19:35 -0500 Original-Received: from brains.moreideas.ca ([149.99.156.101]) by berlinr.sprint.ca (InterMail vM.5.01.02.00 201-253-122-103-101-20001108) with ESMTP id <20060126231904.OWDD15335.berlinr.sprint.ca@brains.moreideas.ca> for ; Thu, 26 Jan 2006 18:19:04 -0500 Original-Received: from brains.moreideas.ca (localhost.localdomain [127.0.0.1]) by brains.moreideas.ca (8.12.8/8.12.8) with ESMTP id k0QNJ2XK020206 for ; Thu, 26 Jan 2006 18:19:02 -0500 Original-Received: from brains.moreideas.ca (peta@localhost) by brains.moreideas.ca (8.12.8/8.12.8/Submit) with ESMTP id k0QNJ1cK020201 for ; Thu, 26 Jan 2006 18:19:02 -0500 Original-To: emacs-devel@gnu.org In-Reply-To: Message from Kevin Rodgers of "Thu, 26 Jan 2006 15:17:25 MST." X-Mailer: MH-E 7.85+cvs; nmh 1.0.4; GNU Emacs 22.0.50.45 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:49603 Archived-At: Kevin Rodgers wrote: > I learned Lisp 20+ years ago, and nil has always been an atom (in fact, > a symbol whose value is itself, just like t and now keywords). Yes it was that long ago and perhaps that is what I recall. > A cons cell like you describe would be a circular structure: There was a diagram like that, and I remember being struck at the time by the beauty and simplicity of it. I think I still have the old notes in a box -- I should take a look and see what it was I really learnt. -- Peter Whaite