Specified that setting @language to null in a local context removes it from the active context.
Closes #64.
--- a/spec/latest/json-ld-syntax/index.html Wed Feb 22 22:26:27 2012 +0800
+++ b/spec/latest/json-ld-syntax/index.html Wed Feb 22 22:41:32 2012 +0800
@@ -1582,6 +1582,30 @@
it is used in the <tref>context</tref>.
</p>
+<p>To clear the default language for a subtree, <code>@language</code> can
+be set to <code>null</code> in a <tref>local context</tref> as follows:</p>
+
+<pre class="example" data-transform="updateExample">
+<!--
+{
+ "@context":
+ {
+ ...
+ "@language": "ja"
+ },
+ "name": "花澄",
+ "details":
+ {
+**** "@context":
+ {
+ "@language": null
+ },****
+ "occupation": "Ninja"
+ }
+}
+-->
+</pre>
+
</section>
<section>