//created on: Tue Jan 24 13:02:40 CST 2006 class onlyone{ public String toXMLString() { StringBuffer str=new StringBuffer(); Object obj[] = children().toArray(); str.append("<onlyone>"); str.append(left.toXMLString() + "\n"+ right.toXMLString()); str.append("</onlyone>"); return str.toString(); } }