M_SET For keeping track of sets of numbers. See also the set_bit()/test_bit() series of efuns. The major advantage of this package is that the storage requirements are much lower for sets with many consecutive numbers, or for numbers which are sparsely distributed over a large range. It isn't particularly efficient speedwise, but it is compact. The format is: x-x,y-z ... Important Functions: set_add(string set, int number) set_remove(string set, int number) set_member(string set, int number) Last Updated: Wednesday, May 01, 1996