Update syntax spec to fix <tref> problem.
--- a/spec/latest/json-ld-syntax/index.html Mon Apr 16 16:41:15 2012 -0700
+++ b/spec/latest/json-ld-syntax/index.html Mon Apr 16 16:42:34 2012 -0700
@@ -1803,7 +1803,7 @@
-->
</pre>
-<p><tref>Not only term</tref>s, but also <tref title="compact iri">Compact IRIs</tref>
+<p>Not only <tref>term</tref>s, but also <tref title="compact iri">Compact IRIs</tref>
and <tref title="iri">IRIs</tref> MAY be used on the left-hand side of a definition.</p>
<pre class="example" data-transform="updateExample">