Aryeh Gregor wrote:
There have been proposals to allow more specific
license metadata to
be supported by HTML 5, but they've been rejected in the past. I'd
have to review the discussions to recall exactly why the above wasn't
viewed as a good enough use-case.
Note that although Ian initially rejected to do so, finally he added
support for "licensing sections".
See 5.4.4.1
http://www.whatwg.org/specs/web-apps/current-work/#examples-1
That removes most of the complexity of determining the main content of
the page.
It may also be interesting to take into account the different 6.12.3.9.