(* *)
(***********************************************************************)
-(*
- Time-stamp: <Last modified on 2013-03-09 10:41:32 CET by Kim Nguyen>
-*)
-
exception InvalidUtf8Codepoint of int
val subscript : int -> string
val right_arrow : string
val left_arrow : string
val epsilon : string
+val bullet : string
val big_sigma : string
val cap : string
val cup : string