modified:   combine
	modified:   count
	modified:   fields
	modified:   fork
	modified:   grab
	modified:   insert
	modified:   merge
	modified:   number
	modified:   printout
	modified:   random
	modified:   reverse
	modified:   slice
	modified:   sortout
	modified:   substitute
	modified:   torso
	modified:   uniquify
	modified:   wrap