anchor.diff:  		   :reader toggle-button-indicator-type
                      :initform :some-of) )
     (:default-initargs
  +   :text-style (make-text-style :sans-serif nil nil)
       :align-x :left
       :align-y :center
       :x-spacing 3
  
positive.code: (defclass check-box-pane (check-box rack-layout-mixin sheet-multiple-child-mixin basic-pane)
    ()
    (:default-initargs
        :background *3d-normal-color*))
  
  (defmethod initialize-instance :after ((pane check-box-pane)
                                         &key choices current-selection orientation &allow-other-keys)
  
negative.code: (defclass radio-box-pane (radio-box rack-layout-mixin sheet-multiple-child-mixin basic-pane)
    ()
    (:default-initargs
     :background *3d-normal-color*))
  
  (defmethod initialize-instance :after ((pane radio-box-pane)
                                         &key choices current-selection orientation &allow-other-keys)
  