{ program that demonstrates use of the mouse object
  and Bezier spline curves                          }
{ Mods: }
{ 11-25-89 MAW - Add code to set mouse limits as found by
                 GetMaxX and GetMaxY }
{ 11-26-89 MAW - Generalize Bezier Curve for more control points,
                 as determined by max_points. You can make a
                 pretzel 10 points, try it!                    }