From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Of cars and mice [was: Easy to add with push but not to the end of a list] Date: Wed, 30 Nov 2022 02:17:28 +0100 Message-ID: <87tu2hdyvr.fsf@dataswamp.org> References: <878rju96i5.fsf@dataswamp.org> <87y1ruw4w9.fsf@mbork.pl> <25477.63008.581520.69804@tux.local> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24673"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:sQg8rs1C4rw5Cv7ae4c6guIf7dg= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Nov 30 15:01:28 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p0NeR-00069X-L6 for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 30 Nov 2022 15:01:27 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p0Ne2-0006bZ-KT; Wed, 30 Nov 2022 09:01:02 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p0Bli-0006VY-1J for help-gnu-emacs@gnu.org; Tue, 29 Nov 2022 20:20:10 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p0Blb-0008In-M6 for help-gnu-emacs@gnu.org; Tue, 29 Nov 2022 20:20:09 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p0Bla-00022s-1G for help-gnu-emacs@gnu.org; Wed, 30 Nov 2022 02:20:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 30 Nov 2022 09:01:00 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141266 Archived-At: tomas wrote: >> While this would be feasible for these two functions, it >> wouldn't work for "caddr" and ilk :-) > > But, but... imagine car-rac-rac-rac (yes, with hyphens!). > The sound! What does that mean? >> I faintly remember discussions back in the early seventies >> to replace "car" and "cdr" (which originally stood for >> "Contents of Address Regis- ter" and "Contents of Decrement >> Register", respectively, and referred to machine >> instructions on some then modern PDP hardware which were >> used to access the two pointers of a cons) > > IBM 704, but we disgress badly. IBM 704 1954 first mass-produced computer for floating-point arithmetic > Pity. Now where are the mice? ;-) ??? https://dataswamp.org/~incal/COMP-HIST -- underground experts united https://dataswamp.org/~incal