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clarify pmatch licensing

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* module/system/base/pmatch.scm: Clarify licensing.
This commit is contained in:
Andy Wingo 2010-03-14 17:46:13 +01:00
parent 9d832dda45
commit 8137c9d5e7
1 changed files with 33 additions and 9 deletions
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42
module/system/base/pmatch.scm
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@ -1,14 +1,38 @@
;;; pmatch
;;; Copyright (C) 2009, 2010 Free Software Foundation, Inc
;;; Copyright (C) 2005,2006,2007 Oleg Kiselyov
;;; Copyright (C) 2007 Daniel P. Friedman
;;;
;;; This library is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU Lesser General Public
;;; License as published by the Free Software Foundation; either
;;; version 3 of the License, or (at your option) any later version.
;;;
;;; This library is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Lesser General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with this library; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Originally written by Oleg Kiselyov for LeanTAP in Kanren, which is
;;; available under the MIT license.
;;;
;;; http://kanren.cvs.sourceforge.net/viewvc/kanren/kanren/mini/leanTAP.scm?view=log
;;;
;;; This version taken from:
;;; αKanren: A Fresh Name in Nominal Logic Programming
;;; by William E. Byrd and Daniel P. Friedman
;;; Proceedings of the 2007 Workshop on Scheme and Functional Programming
;;; Université Laval Technical Report DIUL-RT-0701
;;; Code:
(define-module (system base pmatch)
#:export (pmatch))
;; FIXME: shouldn't have to export ppat...
;; Originally written by Oleg Kiselyov. Taken from:
;; αKanren: A Fresh Name in Nominal Logic Programming
;; by William E. Byrd and Daniel P. Friedman
;; Proceedings of the 2007 Workshop on Scheme and Functional Programming
;; Université Laval Technical Report DIUL-RT-0701
;; Licensing unclear. Probably need to ask Oleg for a disclaimer.
(define-syntax pmatch
(syntax-rules (else guard)