- Inserted the (tentative) PSF license.

- Removed the subsection numbering in section B (each time a new
  license is inserted in the front, the others have to be renumbered).

- Changed the words in the intro to avoid implying that 1.6.1 is
  GPL-compatible.

LICENSE

@@ -19,9 +19,9 @@ the ability to use Python with software available under the GNU Public
 License (GPL) was very desirable.  CNRI and the Free Software
 Foundation (FSF) interacted to develop enabling wording changes to the
 Python license.  Python 1.6.1 is essentially the same as Python 1.6,
-with a few minor bug fixes, and with a GPL compatible open source
-license.  Python 2.1 is a derivative work of Python 1.6.1, as well as
-of Python 2.0.
+with a few minor bug fixes, and with a different license that enables
+later versions to be GPL-compatible.  Python 2.1 is a derivative work
+of Python 1.6.1, as well as of Python 2.0.
 
 After Python 2.0 was released by BeOpen.com, Guido van Rossum and the
 other PythonLabs developers joined Digital Creations.  All
@@ -38,8 +38,63 @@ direction to make these releases possible.
 B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
 ===============================================================
 
-B.1. BEOPEN.COM TERMS AND CONDITIONS FOR PYTHON 2.0
----------------------------------------------------
+PSF LICENSE AGREEMENT
+---------------------
+
+1. This LICENSE AGREEMENT is between the Python Software Foundation
+("PSF"), and the Individual or Organization ("Licensee") accessing and
+otherwise using Python 2.1 software in source or binary form and its
+associated documentation.
+
+2. Subject to the terms and conditions of this License Agreement, PSF
+hereby grants Licensee a nonexclusive, royalty-free, world-wide
+license to reproduce, analyze, test, perform and/or display publicly,
+prepare derivative works, distribute, and otherwise use Python 2.1
+alone or in any derivative version, provided, however, that PSF's
+License Agreement and PSF's notice of copyright, i.e., "Copyright (c)
+2001 Python Software Foundation; All Rights Reserved" are retained in
+Python 2.1 alone or in any derivative version prepared by Licensee.
+
+3. In the event Licensee prepares a derivative work that is based on
+or incorporates Python 2.1 or any part thereof, and wants to make
+the derivative work available to others as provided herein, then
+Licensee hereby agrees to include in any such work a brief summary of
+the changes made to Python 2.1.
+
+4. PSF is making Python 2.1 available to Licensee on an "AS IS"
+basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
+IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
+DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
+FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 2.1 WILL NOT
+INFRINGE ANY THIRD PARTY RIGHTS.
+
+5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
+2.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
+A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 2.1,
+OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+
+6. This License Agreement will automatically terminate upon a material
+breach of its terms and conditions.
+
+7. This License Agreement shall be governed by the federal
+intellectual property law of the United States, including without
+limitation the federal copyright law, and, to the extent such
+U.S. federal law does not apply, by the law of the Commonwealth of
+Virginia, excluding Virginia's conflict of law provisions.
+Notwithstanding the foregoing, with regard to derivative works based
+on Python 2.1 that incorporate non-separable material that was
+previously distributed under the GNU General Public License (GPL), the
+law of the Commonwealth of Virginia shall govern this License
+Agreement only as to issues arising under or with respect to
+Paragraphs 4, 5, and 7 of this License Agreement.  Nothing in this
+License Agreement shall be deemed to create any relationship of
+agency, partnership, or joint venture between PSF and Licensee.  This
+License Agreement does not grant permission to use PSF trademarks or
+trade name in a trademark sense to endorse or promote products or
+services of Licensee, or any third party.
+
+BEOPEN.COM TERMS AND CONDITIONS FOR PYTHON 2.0
+----------------------------------------------
 
 BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1
 
@@ -88,8 +143,8 @@ agrees to be bound by the terms and conditions of this License
 Agreement.
 
 
-B.2. CNRI OPEN SOURCE GPL-COMPATIBLE LICENSE AGREEMENT
-------------------------------------------------------
+CNRI OPEN SOURCE GPL-COMPATIBLE LICENSE AGREEMENT
+-------------------------------------------------
 
 1. This LICENSE AGREEMENT is between the Corporation for National
 Research Initiatives, having an office at 1895 Preston White Drive,
@@ -159,8 +214,8 @@ bound by the terms and conditions of this License Agreement.
         ACCEPT
 
 
-B.3. CWI PERMISSIONS STATEMENT AND DISCLAIMER
----------------------------------------------
+CWI PERMISSIONS STATEMENT AND DISCLAIMER
+----------------------------------------
 
 Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
 The Netherlands.  All rights reserved.