return null;
}
}
while(tk.hasMoreTokens()){
String token=tk.nextToken();
parent.expandNode();
int k=token.indexOf('#');
if(k>0)token=token.substring(0,k);
node=parent.findChildFolder(token);
// this is the case if the element node are omitted
if(node !=null && node.isValueLeaf())return node;