anchor.diff:        (webkit:webkit-cookie-manager-set-persistent-storage
          cookie-manager
          (expand-path (cookies-path buffer))
  -       :webkit-cookie-persistent-storage-text))
  -    (set-cookie-policy cookie-manager (default-cookie-policy buffer))
  +       :webkit-cookie-persistent-storage-text)
  +      (set-cookie-policy cookie-manager (default-cookie-policy buffer)))
       context))
   
   (defmethod initialize-instance :after ((buffer gtk-buffer) &key)
  
positive.code:                         :initform '())))
  
  (setf *buffer-class* 'gtk-buffer)
  
  (defmethod initialize-instance :after ((window gtk-window) &key)
    (with-slots (gtk-object box-layout active-buffer
  
negative.code: 
  (defmethod ffi-buffer-make ((buffer gtk-buffer))
    "Initialize BUFFER's GTK web view."
    (setf (gtk-object buffer) (make-web-view buffer))
    (ffi-buffer-enable-smooth-scrolling buffer t)
    (gobject:g-signal-connect
     (gtk-object buffer) "decide-policy"
  