cument
is
also
available
in
this
non-normative
format:
diff
to
previous
version
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</del>
<p class="copyright">
This
document
is
licensed
under
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Creative
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Attribution
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License
</a>.
</p>
<hr />
</div>
<div id="abstract" class="introductory section">
<h2>
Abstract
</h2>
<p>
Developers
that
embed
structured
data
in
their
Web
pages
can
choose
among
a
number
of
languages
such
as
RDFa
[
<cite>
<a class="bibref" rel="bi