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it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
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CC0 UNIVERSAL PUBLIC DOMAIN DEDICATION LICENSE

Statement of Purpose

The laws of most jurisdictions throughout the world automatically
confer exclusive Copyright and Related Rights (defined below) upon
the creator and subsequent owner(s) (each and all, an "owner") of an
original work of authorship and/or a database (each, a "Work").

Certain owners wish to permanently relinquish those rights to a Work
for the purpose of contributing to a commons of creative, cultural
and scientific works ("Commons") that the public can reliably and
without fear of later claims of infringement build upon, modify,
incorporate in other works, reuse and redistribute as freely as
possible in any form whatsoever and for any purposes, including
without limitation commercial purposes. These owners may contribute
to the Commons to promote the ideal of a free culture and the further
production of creative, cultural and scientific works, or to gain
reputation or greater distribution for their Work in part through the
use and efforts of others.

For these and/or other purposes and motivations, and without any
expectation of additional consideration or compensation, the person
associating CC0 with a Work (the "Affirmer"), to the extent that he
or she is an owner of Copyright and Related Rights in the Work,
voluntarily elects to apply CC0 to the Work and publicly distribute
the Work under its terms, with knowledge of his or her Copyright and
Related Rights in the Work and the meaning and intended legal effect
of CC0 on those rights.

   Copyright and Related Rights. A Work made available under CC0 may
   be protected by copyright and related or neighboring rights
   ("Copyright and Related Rights"). Copyright and Related Rights
   include, but are not limited to, the following:

   a. the right to reproduce, adapt, distribute, perform, display,
   communicate, and translate a Work;

   b. moral rights retained by the original author(s) and/or
   performer(s);

   c. publicity and privacy rights pertaining to a person's image or
   likeness depicted in a Work; rights protecting against unfair
   competition in regards to a Work, subject to the limitations in
   paragraph 4(a), below;

   d. rights protecting the extraction, dissemination, use and reuse
   of data in a Work;

   e. database rights (such as those arising under Directive 96/9/EC
   of the European Parliament and of the Council of 11 March 1996 on
   the legal protection of databases, and under any national
   implementation thereof, including any amended or successor version
   of such directive); and

   f. other similar, equivalent or corresponding rights throughout
   the world based on applicable law or treaty, and any national
   implementations thereof.

   Waiver. To the greatest extent permitted by, but not in
   contravention of, applicable law, Affirmer hereby overtly, fully,
   permanently, irrevocably and unconditionally waives, abandons, and
   surrenders all of Affirmer's Copyright and Related Rights and
   associated claims and causes of action, whether now known or
   unknown (including existing as well as future claims and causes of
   action), in the Work (i) in all territories worldwide, (ii) for
   the maximum duration provided by applicable law or treaty
   (including future time extensions), (iii) in any current or future
   medium and for any number of copies, and (iv) for any purpose
   whatsoever, including without limitation commercial, advertising
   or promotional purposes (the "Waiver"). Affirmer makes the Waiver
   for the benefit of each member of the public at large and to the
   detriment of Affirmer's heirs and successors, fully intending that
   such Waiver shall not be subject to revocation, rescission,
   cancellation, termination, or any other legal or equitable action
   to disrupt the quiet enjoyment of the Work by the public as
   contemplated by Affirmer's express Statement of Purpose.

   Public License Fallback. Should any part of the Waiver for any
   reason be judged legally invalid or ineffective under applicable
   law, then the Waiver shall be preserved to the maximum extent
   permitted taking into account Affirmer's express Statement of
   Purpose. In addition, to the extent the Waiver is so judged
   Affirmer hereby grants to each affected person a royalty-free, non
   transferable, non sublicensable, non exclusive, irrevocable and
   unconditional license to exercise Affirmer's Copyright and Related
   Rights in the Work (i) in all territories worldwide, (ii) for the
   maximum duration provided by applicable law or treaty (including
   future time extensions), (iii) in any current or future medium and
   for any number of copies, and (iv) for any purpose whatsoever,
   including without limitation commercial, advertising or
   promotional purposes (the "License"). The License shall be deemed
   effective as of the date CC0 was applied by Affirmer to the
   Work. Should any part of the License for any reason be judged
   legally invalid or ineffective under applicable law, such partial
   invalidity or ineffectiveness shall not invalidate the remainder
   of the License, and in such case Affirmer hereby affirms that he
   or she will not (i) exercise any of his or her remaining Copyright
   and Related Rights in the Work or (ii) assert any associated
   claims and causes of action with respect to the Work, in either
   case contrary to Affirmer's express Statement of Purpose.

Limitations and Disclaimers.

a. No trademark or patent rights held by Affirmer are waived,
abandoned, surrendered, licensed or otherwise affected by this
document.

b. Affirmer offers the Work as-is and makes no representations or
warranties of any kind concerning the Work, express, implied,
statutory or otherwise, including without limitation warranties of
title, merchantability, fitness for a particular purpose, non
infringement, or the absence of latent or other defects, accuracy, or
the present or absence of errors, whether or not discoverable, all to
the greatest extent permissible under applicable law.

c. Affirmer disclaims responsibility for clearing rights of other
persons that may apply to the Work or any use thereof, including
without limitation any person's Copyright and Related Rights in the
Work. Further, Affirmer disclaims responsibility for obtaining any
necessary consents, permissions or other rights required for any use
of the Work.

d. Affirmer understands and acknowledges that Creative Commons is not
a party to this document and has no duty or obligation with respect
to this CC0 or use of the Work.