(when (special-operator-p name)
(error "The special operator ~S can't be redefined as a macro."
name))
- (let ((whole (gensym "WHOLE-"))
- (environment (gensym "ENV-")))
+ (with-unique-names (whole environment)
(multiple-value-bind (new-body local-decs doc)
(parse-defmacro lambda-list whole body name 'defmacro
:environment environment)