+ int *
+ ((Stdpp.location list * string * string) list *
+ (DisambiguateTypes.domain_item * DisambiguateTypes.codomain_item) list *
+ Stdpp.location option * string Lazy.t * bool) list list
+ (** parameters are: option name, error message *)
+
+(** initially false; for debugging only (???) *)
+val only_one_pass: bool ref