@param name The property name.
@return The current value of the property.
@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 determine its value at this time.
Look up the value of a property.
@param name The property name. @return The current value of the property. @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 determine its value at this time.