docs: function(node, obj, first) {
          // Not the superclass, only the mixin classes inherit from
          // Format.GML.v2. We need this because we don't want to get readNode
          // from the superclass's superclass, which is OpenLayers.Format.XML.
          return OpenLayers.Format.GML.v2.prototype.readNode.apply(this, arguments);
      }