;;; variables for accumulating the results of parsing a DEFMACRO. (Declarations
;;; in DEFMACRO are the reason this isn't as easy as it sounds.)
-(defvar *arg-tests* nil) ; tests that do argument counting at expansion time
+(defvar *arg-tests*) ; tests that do argument counting at expansion time
(declaim (type list *arg-tests*))
-(defvar *system-lets* nil) ; LET bindings done to allow lambda-list parsing
+(defvar *system-lets*) ; LET bindings done to allow lambda-list parsing
(declaim (type list *system-lets*))
-(defvar *user-lets* nil) ; LET bindings that the user has explicitly supplied
+(defvar *user-lets*) ; LET bindings that the user has explicitly supplied
(declaim (type list *user-lets*))
-(defvar *env-var* nil) ; &ENVIRONMENT variable name
+(defvar *env-var*) ; &ENVIRONMENT variable name
;; the default default for unsupplied &OPTIONAL and &KEY args
-(defvar *default-default* nil)
+(defvar *default-default*)
;;; temps that we introduce and might not reference
(defvar *ignorable-vars*)