Hi,


|cmsTakeIluminant(...) I'm just using cmsD50_XYZ() as the docs 
| from LCMS 1 state:
|
|-----------------
| Notes: ICC states that profile illuminants MUST be D50. However,
| in real world, each manufacturer uses an illuminant value that
| differs slightly of D50. lcms takes this variation in account
| and does the necessary scaling.
|-----------------


That was a huge mistake from my part. If the profile has an illuminant
other than D50, the CMM *has to ignore it*, failure to do so results
in inconsistencies between CMM, and sometimes in completly wrong
rerendering. This was fixed in 1.17, 1.18 and 1.19 at least, probably
sooner. The field "illuminant" in the header is currently completly
useless, and therefore it was removed in 2.0

Regards
Marti

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