anchor.diff:    (declare (ignore width height))
     (or (pane-space-requirement pane)
         (setf (pane-space-requirement pane)
  -        (call-next-method))))
  +            (call-next-method))))
   
   (defmethod change-space-requirements ((pane layout-protocol-mixin)
                                         &rest space-req-keys &key resize-frame
  
positive.code: ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  ;;; Boston, MA  02111-1307  USA.
  
  ;;; $Id: panes.lisp,v 1.99 2002-09-12 18:18:57 brian Exp $
  
  (in-package :CLIM-INTERNALS)
  
  
negative.code: 
  (defmethod compose-space ((pane null-pane) &key width height)
    (declare (ignore width height))
    (make-space-requirement :width  0 :min-width  0 :max-width  0
                            :height 0 :min-height 0 :max-height 0))
  
  (defmethod allocate-space ((pane null-pane) width height)
  