-;;; Our guess for the preferred order to do type tests in (cheaper and/or more
-;;; probable first.)
-;;; FIXME: not an EQL thing, should not be DEFCONSTANT
-(defconstant type-test-ordering
+;;; our guess for the preferred order in which to do type tests
+;;; (cheaper and/or more probable first.)
+(defparameter *type-test-ordering*