Zope Public License 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:

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

2. 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.

3. 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.

4. 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.

5. If You make a patent infringement claim against any entity (including a cross- claim or
counterclaim in a lawsuit) alleging that the software licensed hereunder constitutes direct or
contributory patent infringement, then any patent and any right-to-use licenses granted to You
under this License for that software shall terminate as of the date such claim is made.

If any files are modified by You then 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.

Zope Public License version 2.1
