[argyllcms] Generating new black curve from existing profile.

Okay, so I have an existing profile which includes a black curve which is far to
heavy.

I have used targen & fakeread to create a new profile with the correct black
generation.

Problem:  When plotted on xicclu the curve looks good until about 90% of the
way across (about 15 or so on the lower scale - I assume these are L values?)
When it gets up into the deepest blacks it goes completely haywire, the black
flattens out and the other components start "scribbling" around.

Incidentally, the black point reported by profile is around 12.76, .34, 1.62

Any ideas?

stephen

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