1Zope Public License (ZPL) Version 2.1 2 3A copyright notice accompanies this license document that identifies the 4copyright holders. 5 6This license has been certified as open source. It has also been designated as 7GPL compatible by the Free Software Foundation (FSF). 8 9Redistribution and use in source and binary forms, with or without 10modification, are permitted provided that the following conditions are met: 11 121. Redistributions in source code must retain the accompanying copyright notice, this list of conditions, and the following disclaimer. 13 142. 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. 15 163. 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. 17 184. 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. 19 205. 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. 21 22Disclaimer 23 24THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 25EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, 28INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 29BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 31OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 33EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 35