anchor.diff:      | Perspective of obj
       | PerspectiveOrigin of obj
       | PointerEvents of obj
  -    | Position of obj
  +    | Position of Position
       | PunctuationTrim of obj
       | Quotes of obj
       | RegionFragment of obj
  
positive.code:     | StrokeWidth of obj
      | TabSize of obj
      | TableLayout of obj
      | TextAlign of obj
      | TextAlignLast of obj
      | TextAnchor of obj
      | TextCombineUpright of obj
  
negative.code:     | CueAfter of obj
      | Cursor of obj
      | Direction of obj
      | Display of Display
      | DominantBaseline of obj
      | EmptyCells of obj
      | EnableBackground of obj
  