Don't forget that people who make shaders without gamma correction are still doing something about gamma. They're just not doing it with the straightforward technique I'm using. They end up pushing some values up, and others down, and all in the pursuit of getting it to look right with the particular lighting they're using. But if the material is rendered in very different lighting, it fails.

The only response curve that is correct in all lighting situations is the linear one - the one that matches reality. That response curve is not achievable except when you put adjustments in the shader that are close to those produced by gamma correction. Some people do it by other means, and don't even realize what they're doing. They're just tweaking until it looks right. Well - I don't have to tweak.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)