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| Profile Gamma Variants |
I believe those are false profiles from the Dan Margulis extension.
That would make sense, since I just downloaded it this week ... thus the reason I never noticed them before and Dennis hadn't seen them yet.
the value that you choose to use is based on your intent. I have always modified gamma values on the fly based on what I intend to do with an image in whatever the color space, ie RGB, LAB or CMYK, that I choose.
+1 @ image intent for gamma/space utilization.