sig
type script = NoScript | Script of string | Deprecated of string
val pp_script : Format.formatter -> ProofSession.script -> unit
val pp_script_for : Format.formatter -> Wpo.t -> unit
val get : Wpo.t -> ProofSession.script
val exists : Wpo.t -> bool
val save : Wpo.t -> Json.t -> unit
val load : Wpo.t -> Json.t
val remove : Wpo.t -> unit
end