\f
;;;; from the "Errors" chapter:
-(defknown error (t &rest t) nil) ; never returns...
+(defknown error (t &rest t) nil) ; never returns
(defknown cerror (string t &rest t) null)
(defknown warn (t &rest t) null)
(defknown break (&optional t &rest t) null)
+
+;;; and analogous SBCL extension:
+(defknown bug (t &rest t) nil) ; never returns
\f
;;;; from the "Miscellaneous" Chapter: