W3C Software and Document Notice and License

W3C Software and Document Notice and License

[1] W3C Software Notice and License ( 版) <http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231>

[2] W3C Software and Document Notice and License ( ( 版)) <http://www.w3.org/Consortium/Legal/2015/copyright-software-and-document>