code: function dWrapper(opt) {
          function pathConstructor(value) {
              return new g.Path(V.normalizePathData(value));
          }
          var shape = shapeWrapper(pathConstructor, opt);
          return function(value, refBBox, node) {
              var path = shape(value, refBBox, node);
              return {
                  d: path.serialize()
              };
          };
      }
docs: `d` attribute for SVGPaths