Difference between revisions of "rel-license"

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== Implementations ==
== Implementations ==
* [http://placenamehere.com/TXP/pnh_mf/ pnh_mf] is a plugin for [http://textpattern.com/ Textpattern] that supports embedding rel license and other microformats in templates and blog posts. Written by [http://placenamehere.com/ Chris Casciano].
* [http://creativecommons.org/license/ Creative Commons (cc) license chooser]
* [http://creativecommons.org/license/ Creative Commons (cc) license chooser]
* [http://search.yahoo.com/cc Yahoo! (cc) search]
* [http://search.yahoo.com/cc Yahoo! (cc) search]

Revision as of 23:22, 21 January 2006


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.

Draft Specification 2005-02-06


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


This specification is (C) 2004-2020 by the authors. However, the authors intend to submit (or already have submitted, see details in the spec) this specification to a standards body with a liberal copyright/licensing policy such as the GMPG, IETF, and/or W3C. Anyone wishing to contribute should read their copyright principles, policies and licenses (e.g. the GMPG Principles) and agree to them, including licensing of all contributions under all required licenses (e.g. CC-by 1.0 and later), before contributing.


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


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>
   <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>
   <dt id="license">license</dt>
   <dd>Indicates that the referred resource is a license for the referring page.</dd>



Normative References

Informative References

see also