Zope Public License (ZPL) Version 2.1

A copyright notice accompanies this license document that identifies the
copyright holders.

This license has been certified as open source. It has also been designated
as GPL compatible by the Free Software Foundation (FSF).

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

Redistributions in source code must retain the accompanying copyright
notice, this list of conditions, and the following disclaimer.

Redistributions in binary form must reproduce the accompanying copyright
notice, this list of conditions, and the following disclaimer in the
documentation and/or other materials provided with the distribution.

Names of the copyright holders must not be used to endorse or promote
products derived from this software without prior written permission from
the copyright holders.

The right to distribute this software or to use it for any purpose does not
give you the right to use Servicemarks (sm) or Trademarks (tm) of the
copyright holders. Use of them is covered by separate agreement with the
copyright holders.

If any files are modified, you must cause the modified files to carry
prominent notices stating that you changed the files and the date of any
change.

Disclaimer

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
EXPRESSED 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 COPYRIGHT HOLDERS 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.
