anchor.diff:     "SPACE-REQUIREMENT-MIN-HEIGHT"       ;generic function
      "SPACE-REQUIREMENT-MIN-WIDTH"        ;generic function
      "SPACE-REQUIREMENT-WIDTH"            ;generic function
  -;  "SPACING"                            ;macro
  -;  "SPACING-PANE"                       ;pane
  +   "SPACING"                            ;macro
  +   "SPACING-PANE"                       ;pane
      "STANDARD-APPLICATION-FRAME"         ;class
      "STANDARD-BOUNDING-RECTANGLE"        ;class
      "STANDARD-CELL-OUTPUT-RECORD"        ;class
  
positive.code:    "SCROLL-TO-TOP-CALLBACK"             ;callback
     "SCROLL-UP-LINE-CALLBACK"            ;callback
     "SCROLL-UP-PAGE-CALLBACK"            ;callback
    ;"SCROLLER-PANE"                      ;pane
    ;"SCROLLING"                          ;macro
     "SEQUENCE"                           ;presentation type
     "SEQUENCE-ENUMERATED"                ;presentation type
     "SET-HIGHLIGHTED-PRESENTATION"       ;function
  
negative.code:   (:export
     "LINE-STYLE-EFFECTIVE-THICKNESS"
     "MEDIUM-MITER-LIMIT"
     "RAISED-PANE" "RAISING"
     "LOWERED-PANE" "LOWERING"
     "VIEWPORT-PANE"
     "DRAW-GLYPH" "DEVICE-FONT-TEXT-STYLE-P"
     "DRAW-IMAGE"
     "IMAGE-PANE"
  