From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Newsgroups: gmane.lisp.guile.user Subject: Re: 1+ is not R5RS Date: Thu, 18 Dec 2008 22:09:58 +0100 Message-ID: <87ljud2nrt.fsf@gnu.org> References: <494A696D.3080201@organum.hu> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1229634628 14312 80.91.229.12 (18 Dec 2008 21:10:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 18 Dec 2008 21:10:28 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Thu Dec 18 22:11:33 2008 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LDQ9b-0007Ow-Hg for guile-user@m.gmane.org; Thu, 18 Dec 2008 22:11:31 +0100 Original-Received: from localhost ([127.0.0.1]:54120 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LDQ8P-0003f3-8l for guile-user@m.gmane.org; Thu, 18 Dec 2008 16:10:17 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LDQ8K-0003e8-CD for guile-user@gnu.org; Thu, 18 Dec 2008 16:10:12 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LDQ8H-0003d8-Vm for guile-user@gnu.org; Thu, 18 Dec 2008 16:10:11 -0500 Original-Received: from [199.232.76.173] (port=58474 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LDQ8H-0003d5-SF for guile-user@gnu.org; Thu, 18 Dec 2008 16:10:09 -0500 Original-Received: from main.gmane.org ([80.91.229.2]:51075 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LDQ8H-0004tQ-Ds for guile-user@gnu.org; Thu, 18 Dec 2008 16:10:09 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LDQ8D-00050a-0v for guile-user@gnu.org; Thu, 18 Dec 2008 21:10:05 +0000 Original-Received: from reverse-83.fdn.fr ([80.67.176.83]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 18 Dec 2008 21:10:05 +0000 Original-Received: from ludo by reverse-83.fdn.fr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 18 Dec 2008 21:10:05 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 29 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: reverse-83.fdn.fr X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 28 Frimaire an 217 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 821D 815D 902A 7EAB 5CEE D120 7FBA 3D4F EB1F 5364 X-OS: i686-pc-linux-gnu User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) Cancel-Lock: sha1:XoU9dHczmOfifSMxOOSl0peJa5g= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:7016 Archived-At: Hello, "Bertalan Fodor (LilyPondTool)" writes: > I'm trying to implement a more or less Guile compatible Scheme > implementation in Java. Can you share some insight as to why you took this route rather than use/extend either Kawa or Guile? :-) > However I found that Guile allows 1+ 1- etc. as identifiers. However, > the R5RS spec does not allow. Right. > Could you provide me some background why 1+ exists, as it is the same > as (+ 1, and why is it named like this? It'll be hard to get a definite answer: these procedures have "always" been there, at least since Jim Blandy became Guile's maintainer: commit 0f2d19dd46f83f41177f61d585732b32a866d613 Author: Jim Blandy Date: Thu Jul 25 22:56:11 1996 +0000 That's a long time ago... Thanks, Ludo'.