[argyllcms] Re: Device link gamut mapping: how to do it right?

I have doing linking with perceptual intent after "tiffgamut -ia -pj". I've 
noticed that the result of that linking is white point mismatch between source 
and destination gamuts, which seen in checking *.wrl. The source image profile 
was sRGB, destination profile was printer profile for A-type illuminant.
While run "tiffgamut -ir -pj" before collink, there is other result - no white 
point mismatch in diagnostic *.wrl.
But I cannot distinguish the difference between profiles and output TIFFs with 
different -i keys in tiffgamut! The results are rather good, interdependent of 
tiffgamut -i key.
I can't understand how must I do linking the best way, with what keys...

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