docs: function(feature, intent) {
          if(!feature) {
              feature = new OpenLayers.Feature.Vector();
          }
          if(!this.styles[intent]) {
              intent = "default";
          }
          feature.renderIntent = intent;
          var defaultSymbolizer = {};
          if(this.extendDefault && intent != "default") {
              defaultSymbolizer = this.styles["default"].createSymbolizer(feature);
          }
          return OpenLayers.Util.extend(defaultSymbolizer,
              this.styles[intent].createSymbolizer(feature));
      }