beginSubObject(DeXMLable curObj, String name, Attributes attr) This is a look ahead to see if we should start a sub object.
The caller will first call this function on startElement.
This is a look ahead to see if we should start a sub object.
The caller will first call this function on startElement. If
this function returns null, the startElement will be reported
to the current object with a call to openTag(...). Otherwise
this function should return a new DeXMLable subobject that
further output will be deligated to, until the subobject returns
true from a call to endElement().
Parameters: name - startElement tag Parameters: attr - startElement attributes a new DeXMLable subobject if a subobject should be created,otherwise null.