title: java.lang.IllegalStateException: CDATA tags may not nest error in pe:keyFilter
body: <p>I'm getting error in pe:keyFilter,
  java.lang.IllegalStateException: CDATA tags may not nest</p>
  
  <pre><code> &lt;pe:keyFilter for="inputText" mask="num" id="keyfilternum" /&gt;
  </code></pre>
  
  <p>I'm using Primefaces 5.2 and Primefaces-Extensions 3.0.0</p>