(*i $Id$ i*) (* Global options of the system. *) val batch_mode : bool ref val debug : bool ref val print_emacs : bool ref val emacs_str : string -> string val make_silent : bool -> unit val is_silent : unit -> bool val is_verbose : unit -> bool val silently : ('a -> 'b) -> 'a -> 'b val set_print_hyps_limit : int -> unit val unset_print_hyps_limit : unit -> unit val print_hyps_limit : unit -> int option val make_mes_ambig : bool -> unit val is_mes_ambig : unit -> bool val without_mes_ambig : ('a -> 'b) -> 'a -> 'b val add_unsafe : string -> unit val is_unsafe : string -> bool val immediate_discharge : bool