From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Emacs Lisp's future Date: Sun, 05 Oct 2014 13:10:07 +0200 Message-ID: <878ukug4c0.fsf@fencepost.gnu.org> References: <54193A70.9020901@member.fsf.org> <87lhp6h4zb.fsf@panthera.terpri.org> <87k34qo4c1.fsf@fencepost.gnu.org> <54257C22.2000806@yandex.ru> <83iokato6x.fsf@gnu.org> <87wq8pwjen.fsf@uwakimon.sk.tsukuba.ac.jp> <837g0ptnlj.fsf@gnu.org> <87r3yxwdr6.fsf@uwakimon.sk.tsukuba.ac.jp> <87tx3tmi3t.fsf@fencepost.gnu.org> <834mvttgsf.fsf@gnu.org> <87lhp5m99w.fsf@fencepost.gnu.org> <87h9ztm5oa.fsf@fencepost.gnu.org> <87d2ahm3nw.fsf@fencepost.gnu.org> <871tqneyvl.fsf@netris.org> <877g0eu79i.fsf@uwakimon.sk.tsukuba.ac.jp> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1412507471 17816 80.91.229.3 (5 Oct 2014 11:11:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 5 Oct 2014 11:11:11 +0000 (UTC) Cc: Richard Stallman , Mark H Weaver , dmantipov@yandex.ru, emacs-devel@gnu.org, handa@gnu.org, Stefan Monnier , eliz@gnu.org To: "Stephen J. Turnbull" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 05 13:11:04 2014 Return-path: Envelope-to: ged-emacs-devel@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 1XajiR-0006bA-D9 for ged-emacs-devel@m.gmane.org; Sun, 05 Oct 2014 13:11:03 +0200 Original-Received: from localhost ([::1]:47052 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XajiQ-00005h-Ux for ged-emacs-devel@m.gmane.org; Sun, 05 Oct 2014 07:11:02 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xajhq-0008Ck-8r for emacs-devel@gnu.org; Sun, 05 Oct 2014 07:10:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xajhp-00044E-E8 for emacs-devel@gnu.org; Sun, 05 Oct 2014 07:10:26 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:47226) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xajhp-00043y-Bj for emacs-devel@gnu.org; Sun, 05 Oct 2014 07:10:25 -0400 Original-Received: from localhost ([127.0.0.1]:54394 helo=lola) by fencepost.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XajhX-0006RU-Pz; Sun, 05 Oct 2014 07:10:08 -0400 Original-Received: by lola (Postfix, from userid 1000) id 6B724E0544; Sun, 5 Oct 2014 13:10:07 +0200 (CEST) In-Reply-To: <877g0eu79i.fsf@uwakimon.sk.tsukuba.ac.jp> (Stephen J. Turnbull's message of "Sun, 05 Oct 2014 19:43:05 +0900") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:174988 Archived-At: "Stephen J. Turnbull" writes: > > What do you think? Do I worry too much [about nothing]? :) > > Listen to your Uncle David on this one. You should treat every > instance of nil as a biohazard. That would make about as much sense as treating every bacterium as a biohazard. The nil problem is going to be defining the relation between Elisp and Scheme programming like pointers define the relation between C and algorithms. The Fortran language is defined in a manner that when you use aliasing, anything can happen. The C language is defined in a manner that when you don't use aliasing, nothing can happen. -- David Kastrup