prefix
</em>
es
in
their
default
context
beside
the
<em>
terms
</em>
that
are
already
defined.
Using
this
feature,
developers
could
also
express
markup
like
this:
</p>
<pre class="example">
{
  "<span class="diff">rdf:type</span>": "<span class="diff">&lt;foaf:Person&gt;</span>",
  "<span class="diff">foaf:name</span>": "Manu Sporny",
  "<span class="diff">foaf:homepage</span>": "&lt;http://manu.sporny.org/&gt;"<span class="diff">,
  "sioc:avatar": "&lt;http://twitter.com/account/profile_image/manusporny&gt