10. The computer readable storage medium of claim 9 wherein each box element further comprises: an integer number of box element arguments in the box element; and a vector of box element arguments in the box element, having a length indicated by the integer number of box element arguments.
10. The computer readable storage medium of claim 9 wherein each box element further comprises: an integer number of box element arguments in the box element; and a vector of box element arguments in the box element, having a length indicated by the integer number of box element arguments. 11. The computer readable storage medium of claim 10 wherein each box element further comprises: a string representative of the box element.