anchor.diff:        result)))
   
   (defun parse-define-method-combination-arguments-lambda-list
  -    (lambda-list processor processee)
  +    (lambda-list)
     (let ((allowed '(&whole &optional &rest &body &key &allow-other-keys &aux)))
  -    (check-lambda-list-proper lambda-list processor processee)
  -    (check-lambda-list-keywords lambda-list allowed processor processee)
  +    (check-lambda-list-proper lambda-list)
  +    (check-lambda-list-keywords lambda-list allowed)
       (let ((positions (compute-keyword-positions lambda-list allowed))
   	  (result (make-instance 'lambda-list)))
         (setf (required result)
  
positive.code: 	(error "something is seriously wrong here"))
        result)))
  	
  (defun parse-macro-lambda-list  (lambda-list processor processee)
    (multiple-value-bind (length structure) (list-structure lambda-list)
      (when (eq structure :circular)
        (error 'lambda-list-must-not-be-circular
  
negative.code: 	(progn
  	  (let ((allowed '(&whole &environment &optional &rest &body
  			   &key &allow-other-keys &aux)))
  	    (check-lambda-list-keywords lambda-list allowed)
  	    (let ((positions (compute-keyword-positions lambda-list allowed))
  		  (result (make-instance 'lambda-list)))
  	      (if (eq (car lambda-list) '&whole)
  