On 20-1-2017 5:35, Cousin Ricky wrote:
> I guess it's time (for those of us who use the One True assumed_gamma)
> to add this function to our personal libraries until this issue gets
> sorted out:
>
> #macro DotGray (Color)
>   #local C = color Color;
>   (0.2126 * C.red + 0.7152 * C.green + 0.0722 * C.blue) // ITU-R BT.709
> #end
>

[scribbles with pencil on a greasy scrap of wrapping paper, and tacks it 
to an overweight folder]

Done!

-- 
Thomas

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