anchor.diff:  		     :initarg :display-function
   		     :accessor pane-display-function)
      ; Should inherit from label-pane for this one ??
  -   (label :type string :initform nil
  +   (label :type string
  +          :initform ""
   	  :initarg :label
   	  :reader pane-label)
      (text-margin :initarg :text-margin
  
positive.code: ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  ;;; Boston, MA  02111-1307  USA.
  
  ;;; $Id: panes.lisp,v 1.113 2003-03-16 17:21:29 gilbert Exp $
  
  (in-package :CLIM-INTERNALS)
  
  
negative.code:     :initarg  :width
      :initform nil
      :reader   pane-user-width
      :type     (or null spacing-value))
     (user-min-width 
      :initarg :min-width
      :initform nil
      :reader   pane-user-min-width
      :type     (or null spacing-value))
     (user-max-width
      :initarg :max-width
      :initform nil
      :reader   pane-user-max-width
      :type     (or null spacing-value))
     (user-height
      :initarg :height
      :initform nil
      :reader   pane-user-height
      :type     (or null spacing-value))
     (user-min-height
      :initarg :min-height
      :initform nil
      :reader   pane-user-min-height
      :type     (or null spacing-value))
     (user-max-height
      :initarg :max-height
      :initform nil
      :reader   pane-user-max-height
      :type     (or null spacing-value))
     (x-spacing
      :initarg :x-spacing
      :initform 0
      :reader   pane-x-spacing
      :type     (or null spacing-value))
     (y-spacing
      :initarg :y-spacing
      :initform 0
      :reader   pane-y-spacing
      :type     (or null spacing-value))
    (:documentation
     "Mixin class for panes which offer the standard user space requirements options."))
  
  