<p>This will always fail if the parent is null.</p>
@param name The property name.
@param value The requested property value.
@exception org.xml.sax.SAXNotRecognizedException If the property
value can't be assigned or retrieved from the parent.
@exception org.xml.sax.SAXNotSupportedException When the
parent recognizes the property name but
cannot set the requested value.
Set the value of a property.
<p>This will always fail if the parent is null.</p>
@param name The property name. @param value The requested property value. @exception org.xml.sax.SAXNotRecognizedException If the property value can't be assigned or retrieved from the parent. @exception org.xml.sax.SAXNotSupportedException When the parent recognizes the property name but cannot set the requested value.