I</CODE>s.
 Implementations may define their own features.
 An <A HREF="../../../javax/xml/parsers/ParserConfigurationException.html"><CODE>ParserConfigurationException</CODE></A> is thrown if this <code>DocumentBuilderFactory</code> or the
 <code>DocumentBuilder</code>s it creates cannot support the feature.
 It is possible for an <code>DocumentBuilderFactory</code> to expose a feature value but be unable to change its state.
 </p><DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - Feature name.<DT><B>R