From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Jan Moringen Newsgroups: gmane.emacs.devel Subject: Re: Potential copyright problem in EIEIO improvement Date: Thu, 31 Dec 2009 04:16:27 +0100 Message-ID: <947_1262229391_ZZg0N0K4lExer.00_1262229387.3761.36.camel@localhost.localdomain> References: <23751_1262141343_ZZg0N7E3ZcBp~.00_1262141340.11263.18.camel@localhost.localdomain> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7BIT X-Trace: ger.gmane.org 1262231933 12084 80.91.229.12 (31 Dec 2009 03:58:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 31 Dec 2009 03:58:53 +0000 (UTC) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Dec 31 04:58:46 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NQCBR-0001FQ-JI for ged-emacs-devel@m.gmane.org; Thu, 31 Dec 2009 04:58:45 +0100 Original-Received: from localhost ([127.0.0.1]:59073 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NQCBR-0004A8-LP for ged-emacs-devel@m.gmane.org; Wed, 30 Dec 2009 22:58:45 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NQBWn-00073k-Ub for emacs-devel@gnu.org; Wed, 30 Dec 2009 22:16:45 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NQBWi-00072X-9T for emacs-devel@gnu.org; Wed, 30 Dec 2009 22:16:44 -0500 Original-Received: from [199.232.76.173] (port=55669 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NQBWi-00072U-7l for emacs-devel@gnu.org; Wed, 30 Dec 2009 22:16:40 -0500 Original-Received: from mux1-unibi-smtp.hrz.uni-bielefeld.de ([129.70.204.65]:62256) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NQBWc-0003u5-Pq; Wed, 30 Dec 2009 22:16:35 -0500 Original-Received: from pmxchannel-daemon.mux1-unibi-smtp.hrz.uni-bielefeld.de by mux1-unibi-smtp.hrz.uni-bielefeld.de (Sun Java(tm) System Messaging Server 6.3-6.03 (built Mar 14 2008; 32bit)) id <0KVH00G00YFJGU00@mux1-unibi-smtp.hrz.uni-bielefeld.de>; Thu, 31 Dec 2009 04:16:31 +0100 (CET) Original-Received: from [192.168.2.102] ([92.39.24.59]) by mux1-unibi-smtp.hrz.uni-bielefeld.de (Sun Java(tm) System Messaging Server 6.3-6.03 (built Mar 14 2008; 32bit)) with ESMTPPSA id <0KVH002K1YFI34A0@mux1-unibi-smtp.hrz.uni-bielefeld.de>; Thu, 31 Dec 2009 04:16:30 +0100 (CET) In-reply-to: X-Mailer: Evolution 2.29.3.2 X-EnvFrom: jan.moringen@uni-bielefeld.de X-PMX-Version: 5.5.1.360522, Antispam-Engine: 2.6.1.350677, Antispam-Data: 2009.12.31.30917, pmx9 X-Connecting-IP: 92.39.24.59 X-detected-operating-system: by monty-python.gnu.org: Solaris 10 (beta) X-Mailman-Approved-At: Wed, 30 Dec 2009 22:58:41 -0500 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:119105 Archived-At: On Wed, 2009-12-30 at 00:42 -0500, Eli Zaretskii wrote: > > Date: Wed, 30 Dec 2009 03:49:00 +0100 > > From: Jan Moringen > > > > Basically, I implemented an algorithm (c3 linearization) which is > > described in an academic paper (see below). My implementation is > very > > close to the implementation presented in the paper (although that > one is > > written in Dylan). > > [...] > > Any thoughts on this issue would be greatly appreciated. I can try > to > > provide additional information if required. > > To my non-lawyer's eyes, the two implementations are so different in > form that they only share the same idea. And ideas are not > copyrightable, AFAIK. Thanks for the assessment. That line of thought did not cross my mind. I assumed one had to make the argument under the assumption that my code is derived from the presented Dylan code (which it is). Jan