1signature RADICAL = 2sig 3 val makeRadical: BasicTypes.style -> BasicTypes.delim -> BoxTypes.box -> 4 BoxTypes.box 5end (* signature RADICAL *) 6(*----------*) 7 8structure Radical: RADICAL = 9struct 10 open BasicTypes; open BoxTypes 11 fun makeRadical st del box = raise (NotImplemented "makeRadical") 12end (* structure Radical *) 13