sig
val ns_ : string -> string
val s_ : string -> string
val f_ : ('a, 'b, 'c, 'd) Stdlib.format4 -> ('a, 'b, 'c, 'd) Stdlib.format4
val fn_ :
('a, 'b, 'c, 'd) Stdlib.format4 ->
('a, 'b, 'c, 'd) Stdlib.format4 -> int -> ('a, 'b, 'c, 'd) Stdlib.format4
val init : (string * string option * string option) list
end