anchor.diff:  //    /// Gets the hue-saturation-brightness (HSB) brightness value for this Color structure.
   //    let getBrightness = ()
   
  -    /// Gets the hue-saturation-brightness (HSB) hue value, in degrees, for this Color structure.
  +    /// Gets the hue component value of the hue-saturation-brightness (HSB) format, in degrees, for this Color structure.
       let getHue c =
           let min = minRGB c |> getValueFromCC
           match maxRGB c with
  
positive.code:         | _   -> failwithf "" // can't be
  
  
      /// Gets the hue-saturation-brightness (HSB) saturation value for this Color structure.
      let getSaturation col =
          let minimum = minRGB col
          let maximum = maxRGB col
  
negative.code:         B : byte
          }
  
      ///returns the maximum value of the R, G, and B components of a color
      let maxRGB c =
          let r,g,b = R c.R,G c.G,B c.B
          max r g |> max b
  
      ///returns the minimum value of the R, G, and B components of a color
      let minRGB c =
          let r,g,b = R c.R,G c.G,B c.B
          min r g |> min b
          
  
  
      /// Creates a Color structure from the four ARGB components (alpha, red, green, and blue) values.
      let fromArgb a r g b =
          let f v =
              if v < 0 || v > 255 then 
  