PNG draft - storage of HDR and Log images

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The PNG draft has been updated to use CICP blocks (from ITU) to allow flagging of HDR Transfer Functions, Log, different gamuts, etc.

https://w3c.github.io/PNG-spec/#11cICP

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Thanks. Any idea if/when libpng will add this?

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No idea, sorry. But Iā€™m told libpng likes to stay current with the spec.