anchor.diff:              GenericChart.Create(mergeDataAndLabelsForY4 data Labels, fun() -> CandlestickChart() )
                |> Helpers.ApplyStyles(?Name=Name,?Title=Title,?Color=Color,?AxisXTitle=XTitle,?AxisYTitle=YTitle)
   
  +        static member internal ConfigureColumn(c:GenericChart, property, vPointWidth) = 
  +            vPointWidth |> Option.iter (fun v -> c.SetCustomProperty<float>(property, v))
  +
           /// <summary>Uses a sequence of columns to compare values across categories.</summary>
           /// <param name="data">The data for the chart.</param>
           /// <param name="Name">The name of the data set.</param>
  
positive.code:         do registerConvertor (fun (dto:DateTimeOffset) -> dto.DateTime :> key)
  
      module ChartTypes = 
          /// An implementation type for labelled points on chart. This type should not be used directly.
          type public DataPoint(X: key, Y: value, Label: string) = 
              member __.Label = Label 
  
negative.code:         /// <param name="Color">The color for the data.</param>
          /// <param name="XTitle">The title of the X-axis.</param>
          /// <param name="YTitle">The title of the Y-axis.</param>
          /// <param name="ColumnWidth">The width of columns versus whitespace as a percentage.</param>
          static member ColumnIncremental(data:IObservable<#key * #value>,?Name,?Title,(* ?Labels, *) ?Color,?XTitle,?YTitle,?ColumnWidth) = 
              Chart.Column(NotifySeq.ofObservableIncremental data,?Name=Name,?Title=Title(* ,?Labels=Labels *),?Color=Color,?XTitle=XTitle,?YTitle=YTitle,?ColumnWidth=ColumnWidth)
  
          /// <summary>Similar to the Pie chart type, except that it has a hole in the center.</summary>
          /// <param name="data">The data for the chart. Each observation replaces the entire data on the chart.</param>
  