/**
		Make a copy of this node and all its children.

		If the 'target' is null, then the nodes will
		be allocated in the current document. If 'target'
        is specified, the memory will be allocated is the
        specified XMLDocument.

		NOTE: This is probably not the correct tool to
		copy a document, since XMLDocuments can have multiple
		top level XMLNodes. You probably want to use
        XMLDocument::DeepCopy()
	*/
	XMLNode* DeepClone( XMLDocument* target ) const;