If [fail] is passed, then failures cause this callback to
be called. If not, the global failure hook is called. *)
-val open_images : ?fail:exn callback -> string list -> inspection_data callback -> unit
- (** [open_images images cb] is like {!open_domain} except
- that it opens local disk image(s) directly.
+val open_images : ?fail:exn callback -> (string * string option) list -> inspection_data callback -> unit
+ (** [open_images images cb] is like {!open_domain} except that it
+ opens local disk image(s) directly. [images] is a list of
+ [(filename, format)] pairs.
If [fail] is passed, then failures cause this callback to
be called. If not, the global failure hook is called. *)