anchor.diff:  (defmethod change-space-requirements ((pane top-level-sheet-pane)
                                         &rest space-req-keys
                                         &key resize-frame &allow-other-keys)
  +  (declare (ignore space-req-keys))
     (cond (*changing-space-requirements*
            ;; just record what we have
            (unless (find pane *changed-space-requirements* :key #'second)
  
positive.code: ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  ;;; Boston, MA  02111-1307  USA.
  
  ;;; $Id: panes.lisp,v 1.182 2007-03-20 01:43:55 ahefner Exp $
  
  (in-package :clim-internals)
  
  
negative.code:   ;;   application-frame. I am not sure if this is totally right.
    ;;
    ;; --GB 2003-03-16
    (declare (ignore space-req-keys resize-frame))
    (let ((w (space-requirement-width (compose-space pane)))
          (h (space-requirement-height (compose-space pane))))
      (resize-sheet pane w h)
  