anchor.diff:  
   
       let arcball_ArcBall =
  -        Class "ArcBall"
  +        Class "o3djs.arcball.ArcBall"
           |+> Static [
                   Constructor (T<int> * T<int>)
               ]
  
positive.code:                 util
                  webgl
              ]
          ]
  
  [<Sealed>]
  
negative.code:     let CursorClass =
          Class "o3d.Cursor"
          |=> Cursor
          |> Constants "o3d.Cursor.Type" Cursor_CursorType [
              "DEFAULT"
              "NONE"
              "CROSSHAIR"
  