code: function pointsWrapper(opt) {
          var shape = shapeWrapper(g.Polyline, opt);
          return function(value, refBBox, node) {
              var polyline = shape(value, refBBox, node);
              return {
                  points: polyline.serialize()
              };
          };
      }
docs: `points` attribute for SVGPolylines and SVGPolygons