(canAppearInBody);
  }
}());
</script>

<h2 id="can-contain">Containment</h2>
<p>For each element, what elements can contain it?</p>
<p>E.g., <code>canAppearIn['x'].indexOf('y') >= 0</code> when
<code>&lt;x&gt;&lt;y&gt;&lt;/y&gt;&lt;/x&gt;</code> parses to
an element <tt>x</tt> that contains an element <tt>y</tt> when embedded
in an element that can contain <code>&lt;x&gt;</code>.</p>
<h3>Can Contain</h3>
<pre class="json" id="can-contain-json"></pre>
<h3>Can Appear In</h3>
<pre class="json" id="can-appear-