anchor.diff:  
   *Example*
   ----
  -threeB.point_inclusion.check(50, 100, {shape: \'circle\', coords: [40, 40, 50]});
  +threeB.point_inclusion.check(50, 100, {shape: "circle", coords: [40, 40, 50]});
   ----
   
   
  
positive.code: 
  +y+: Y coordinate of the test point
  
  +area_obj+: A Javascript object of the following format: {shape: \'\', coords: []}.  The shape must be one of the
  valid shapes defined below.  The coords array is an array of floats representing the geometric shape.  The format
  of the coords array will depend on the type of shape being tested and is defined in the section below detailing the
  valid shapes.
  
negative.code: 
  *Example*
  ----
  threeB.point_inclusion.check_poly(50, 100, [20, 50, 60, 40, 30], [20, 40, 70, 120, 30]}
  ----
  
  
  