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As written on my pictures, I

As written on my pictures, I put either:
a copy of all 4 cam_mul values in user_mul
a copy of all 4 cam_mul values in pre_mul

I found some LibRaw code (scale colors) where either user_mul or cam_mul are being copied to pre_mul, which seem to confirm what I thought...
I just cannot understand why my pictures are different... I'll have to re-check...