+
+(defmethod print-object ((obj ufile) (s stream))
+ (print-unreadable-object (obj s :type t)
+ (format s "~A" (fil obj))))
+
+(defmethod print-object ((obj ucol) (s stream))
+ (print-unreadable-object (obj s :type t)
+ (format s "~A" (col obj))))
+
+