rel-license: Difference between revisions

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== Specification 2005-02-06 ==
== Specification 2005-02-06 ==
=== Author ===
=== Author ===
[http://tantek.com/ Tantek Çelik], [http://technorati.com Technorati, Inc.] (formerly of [http://microsoft.com/ Microsoft Corporation])
[http://tantek.com/ Tantek Çelik] ([http://technorati.com Technorati, Inc.], formerly of [http://microsoft.com/ Microsoft Corporation])


=== Copyright ===
=== Copyright ===

Revision as of 00:14, 21 July 2007

rel="license"

Rel-License is a simple, open, format for indicating content licenses which is embedable in (X)HTML, Atom, RSS, and arbitrary XML. Rel-License is one of several microformat open standards.

Specification 2005-02-06

Author

Tantek Çelik (Technorati, Inc., formerly of Microsoft Corporation)

Copyright

Per the public domain release on my user page, this specification is released into the public domain.

Patents

This specification is subject to a royalty free patent policy, e.g. per the W3C Patent Policy, and IETF RFC3667 & RFC3668.

Abstract

Rel-License is one of several MicroFormats. By adding rel="license" to a hyperlink, a page indicates that the destination of that hyperlink is license for the current page. E.g. with the following hyperlink:

<a href="http://creativecommons.org/licenses/by/2.0/" rel="license">cc by 2.0</a>

the author indicates that the page is licensed under a Creative Commons 2.0 Attribution Required license.

Multiple Licenses

Multiple such rel="license" hyperlinks indicate that the page is available under any of the referred licenses. E.g. the following hyperlinks could be used to declare that a page is available under either a Creative Commons 2.0 Attribution Required license or the Apache 2.0 license:

<a href="http://creativecommons.org/licenses/by/2.0/" rel="license">cc by 2.0</a>
<a href="http://www.apache.org/licenses/LICENSE-2.0" rel="license">Apache 2.0</a>

XMDP profile

<dl class="profile">
 <dt id="rel">rel</dt>
 <dd><p>
   <a rel="help" href="http://www.w3.org/TR/html401/struct/links.html#adef-rel">
     HTML4 definition of the 'rel' attribute.</a>  
   Here is an additional value.</p>
  <dl>
   <dt id="license">license</dt>
   <dd>Indicates that the referred resource is a license for the referring page.</dd>
  </dl>
 </dd>
</dl>

Implementations

List of Licenses

CC

References

Normative References

Informative References

see also