(*i $Id$ i*) (*i*) open Pp (*i*) (* A protected toplevel (used in Pcoq). *) val break_happened : bool ref val global_request_id : int ref val output_results_nl : std_ppcmds -> unit val rearm_break : unit -> unit val check_break : unit -> unit val acknowledge_command : int -> std_ppcmds val set_start_marker : string -> unit val set_end_marker : string -> unit val parse_one_command : in_channel -> unit val protected_loop : in_channel -> unit