Grant of License for Contributions under the W3C Software License

The Contributor hereby grants to the W3C, a perpetual, nonexclusive, royalty-free, world-wide right and license under any Contributor copyrights in this contribution to copy, publish and distribute the contribution under the W3C Software License (19980720) , as well as a right and license of the same scope to any derivative works prepared by the W3C and based on, or incorporating all or part of the contribution.

The Contributor vouches that she/he has all rights necessary to contribute the Materials in a way that does not violate copyright, patent, and trademark rights; contractual obligations, or libel regulations.

Contributor further agrees that any derivative works of this contribution prepared by the W3C shalll be solely owned by the W3C. The Contributor agrees that all contributed Materials when published or otherwise distributed by the W3C will be governed by the W3C Software License (19980720).

W3C will retain attribution of authorship to the Contributor. Whenever modifications are made to the Materials, this fact, and the nature of the modifications, will be clearly signalled in the distributed version thereof. The W3C makes no a-priori commitment to support or distribute contributions.