The modified PyServlet class included with WebStack is covered by copyrights

and the licence of the Jython project and is reproduced below.

HISTORY OF THE SOFTWARE

=======================

JPython was created in late 1997 by Jim Hugunin. Jim was also the

primary developer while he was at CNRI. In February 1999 Barry Warsaw

took over as primary developer and released JPython version 1.1.

In October 2000 Barry helped move the software to SourceForge

where it was renamed to Jython. Jython 2.0 is developed by a group

of volunteers.

The standard library is covered by the BeOpen / CNRI license. See the

Lib/LICENSE file for details.

The oro regular expresion matcher is covered by the apache license.

See the org/apache/LICENSE file for details.

The zxJDBC package was written by Brian Zimmer and originally licensed

under the GNU Public License.  The package is now covered by the Jython

Software License.

Jython changes Software License.

================================

Copyright (c) 2000, Jython Developers

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions

are met:

 - Redistributions of source code must retain the above copyright

   notice, this list of conditions and the following disclaimer.

 - Redistributions in binary form must reproduce the above copyright

   notice, this list of conditions and the following disclaimer in

   the documentation and/or other materials provided with the distribution.

 - Neither the name of the Jython Developers nor the names of

   its contributors may be used to endorse or promote products

   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR

CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

JPython Software License.

=========================

______________________________________________________________________

IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY.

BY CLICKING ON THE "ACCEPT" BUTTON WHERE INDICATED, OR BY INSTALLING,

COPYING OR OTHERWISE USING THE SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO

THE TERMS AND CONDITIONS OF THIS AGREEMENT.

______________________________________________________________________

JPython version 1.1.x

  1. This LICENSE AGREEMENT is between the Corporation for National Research

     Initiatives, having an office at 1895 Preston White Drive, Reston, VA

     20191 ("CNRI"), and the Individual or Organization ("Licensee")

     accessing and using JPython version 1.1.x in source or binary form and

     its associated documentation as provided herein ("Software").

  2. Subject to the terms and conditions of this License Agreement, CNRI

     hereby grants Licensee a non-exclusive, non-transferable, royalty-free,

     world-wide license to reproduce, analyze, test, perform and/or display

     publicly, prepare derivative works, distribute, and otherwise use the

     Software alone or in any derivative version, provided, however, that

     CNRI's License Agreement and CNRI's notice of copyright, i.e.,

     "Copyright ©1996-1999 Corporation for National Research Initiatives;

     All Rights Reserved" are both retained in the Software, alone or in any

     derivative version prepared by Licensee.

     Alternatively, in lieu of CNRI's License Agreement, Licensee may

     substitute the following text (omitting the quotes), provided, however,

     that such text is displayed prominently in the Software alone or in any

     derivative version prepared by Licensee: "JPython (Version 1.1.x) is

     made available subject to the terms and conditions in CNRI's License

     Agreement. This Agreement may be located on the Internet using the

     following unique, persistent identifier (known as a handle):

     1895.22/1006. The License may also be obtained from a proxy server on

     the Web using the following URL: http://hdl.handle.net/1895.22/1006."

  3. In the event Licensee prepares a derivative work that is based on or

     incorporates the Software or any part thereof, and wants to make the

     derivative work available to the public as provided herein, then

     Licensee hereby agrees to indicate in any such work, in a prominently

     visible way, the nature of the modifications made to CNRI's Software.

  4. Licensee may not use CNRI trademarks or trade name, including JPython

     or CNRI, in a trademark sense to endorse or promote products or

     services of Licensee, or any third party. Licensee may use the mark

     JPython in connection with Licensee's derivative versions that are

     based on or incorporate the Software, but only in the form

     "JPython-based ___________________," or equivalent.

  5. CNRI is making the Software available to Licensee on an "AS IS" basis.

     CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY

     OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND DISCLAIMS ANY

     REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY

     PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT INFRINGE

     ANY THIRD PARTY RIGHTS.

  6. CNRI SHALL NOT BE LIABLE TO LICENSEE OR OTHER USERS OF THE SOFTWARE FOR

     ANY INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF

     USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY DERIVATIVE

     THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. SOME STATES DO NOT

     ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY SO THE ABOVE DISCLAIMER

     MAY NOT APPLY TO LICENSEE.

  7. This License Agreement may be terminated by CNRI (i) immediately upon

     written notice from CNRI of any material breach by the Licensee, if the

     nature of the breach is such that it cannot be promptly remedied; or

     (ii) sixty (60) days following notice from CNRI to Licensee of a

     material remediable breach, if Licensee has not remedied such breach

     within that sixty-day period.

  8. This License Agreement shall be governed by and interpreted in all

     respects by the law of the State of Virginia, excluding conflict of law

     provisions. Nothing in this Agreement shall be deemed to create any

     relationship of agency, partnership, or joint venture between CNRI and

     Licensee.

  9. By clicking on the "ACCEPT" button where indicated, or by installing,

     copying or otherwise using the Software, Licensee agrees to be bound by

     the terms and conditions of this License Agreement.

                               [ACCEPT BUTTON]