rem: node.data = new Polygon.Vertex(node.data); 
add: if (Line.Segment.create(node.data, node.next.data).contains(P)) { success = true; } 
context:     this.vertices.each(function(node) {      node.data = new Polygon.Vertex(node.data);    });
meta: 3877	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3877/88af0516a961fea263ffc0d016435fdbb11d55cf/polygon.js/buggy/src/polygon.js