Re: [csswg-drafts] [css-color-4] colorspace profiles, hexadecimal roundoff and round-tripping (#4685)

Specifically:

- the right source white point to use for AdobeRGB-compatible profiles really is x=0.3127, y=0.3290
- for sRGB, if we use the unbounded wide-dynamic-range version, ensure a parametric  curve is used not a point curve, which can't be extrapolated below 0 or above 1
- use pre-quantized gamma 1.80078125 (not 1.8, and not 1.8 with a linear shadow region as used in the original Kodak ROMM paper)

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Received on Sunday, 19 January 2020 19:22:17 UTC