https://www.w3.org/Consortium/Legal/copyright-software-19980720
W3C® SOFTWARE NOTICE AND LICENSE

Copyright © 1994-2002 World Wide Web Consortium, 
(Massachusetts Institute of Technology, 
Institut National de Recherche en Informatique et en Automatique, 
Keio University). 

All Rights Reserved. http://www.w3.org/Consortium/Legal/

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Permission to use, copy, modify, and distribute this software and its
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the following form (hypertext is preferred, text is permitted) should be used
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[$date-of-software] World Wide Web Consortium, (Massachusetts Institute of
Technology, Institut National de Recherche en Informatique et en Automatique,
Keio University). All Rights Reserved. http://www.w3.org/Consortium/Legal/"
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