anchor.diff:    (funcall continuation sheet))
   
   
  -
  +#||
  +
  +Further undeclared functions
  +
  +  FRAME-EVENT-QUEUE FRAME-EXIT PANE-FRAME
  +  ALLOCATE-SPACE COMPOSE-SPACE FIND-INNERMOST-APPLICABLE-PRESENTATION 
  +  HIGHLIGHT-PRESENTATION-1 PANE-DISPLAY-FUNCTION PANE-DISPLAY-TIME PANE-NAME 
  +  PRESENTATION-OBJECT PRESENTATION-TYPE SPACE-REQUIREMENT-HEIGHT 
  +  SPACE-REQUIREMENT-WIDTH THROW-HIGHLIGHTED-PRESENTATION WINDOW-CLEAR
  +
  +  (SETF GADGET-MAX-VALUE) (SETF GADGET-MIN-VALUE) (SETF SCROLL-BAR-THUMB-SIZE) 
  +  SLOT-ACCESSOR-NAME::|CLIM-INTERNALS CLIENT slot READER| DRAW-EDGES-LINES* 
  +  FORMAT-CHILDREN GADGET-VALUE MAKE-MENU-BAR TABLE-PANE-NUMBER 
  +  TEXT-STYLE-CHARACTER-WIDTH
  +  MEDIUM WITH-GRAPHICS-STATE
  +  PORT-MIRROR-HEIGHT PORT-MIRROR-WIDTH TEXT-STYLE-CHARACTER-WIDTH
  +  FIND-INNERMOST-APPLICABLE-PRESENTATION HIGHLIGHT-PRESENTATION-1 
  +  PRESENTATION-OBJECT PRESENTATION-TYPE THROW-HIGHLIGHTED-PRESENTATION
  +  FORMAT-CHILDREN TABLE-PANE-NUMBER TEXT-STYLE-CHARACTER-WIDTH
  +  PORT-MIRROR-HEIGHT PORT-MIRROR-WIDTH SCROLL-EXTENT TEXT-STYLE-CHARACTER-WIDTH
  +  FRAME-EVENT-QUEUE FRAME-EXIT PANE-FRAME
  +  ALLOCATE-SPACE COMPOSE-SPACE FIND-INNERMOST-APPLICABLE-PRESENTATION 
  +  HIGHLIGHT-PRESENTATION-1 PANE-DISPLAY-FUNCTION PANE-DISPLAY-TIME PANE-NAME 
  +  PRESENTATION-OBJECT PRESENTATION-TYPE SPACE-REQUIREMENT-HEIGHT 
  +  SPACE-REQUIREMENT-WIDTH THROW-HIGHLIGHTED-PRESENTATION WINDOW-CLEAR
  +  (SETF GADGET-MAX-VALUE) (SETF GADGET-MIN-VALUE) (SETF SCROLL-BAR-THUMB-SIZE) 
  +  SLOT-ACCESSOR-NAME::|CLIM-INTERNALS CLIENT slot READER| DRAW-EDGES-LINES* 
  +  FORMAT-CHILDREN GADGET-VALUE MAKE-MENU-BAR TABLE-PANE-NUMBER 
  +  TEXT-STYLE-CHARACTER-WIDTH
  +
  +||#
positive.code: (defgeneric destroy-mirror (port mirrored-sheet))
  (defgeneric raise-mirror (port sheet))
  (defgeneric bury-mirror (port sheet))
  (defgeneric port (object))
  
  ;; 9.4.2 Internal Interfaces for Native Coordinates
  
  
negative.code: 
  (defgeneric transform-region (transformation region))
  
  ;;;; 8.3.4 Associating a Medium with a Sheet
  
  ;;;; 8.3.4.1 Grafting and Degrafting of Mediums
  
  ;; with-sheet-medium (medium sheet) &body body [Macro]
  ;; with-sheet-medium-bound (sheet medium) &body body [Macro]
  
  (defgeneric sheet-medium (sheet)) 
  (defgeneric medium-sheet (medium)) 
  (defgeneric medium-drawable (medium)) 
  (defgeneric port (medium))
  
  ;;;; 8.3.4.1 Grafting and Degrafting of Mediums
  
  (defgeneric allocate-medium (port sheet))
  (defgeneric deallocate-medium (port medium))
  