Try this search:
http://www.renderosity.com/mod/forumpro/search.php?query=gamma+correction&forum_id=&sort=post_date&use_age=yes&older_age=1&older_units=day&newer_age=&newer_units=day&username=bagginsbill

It will find all the posts in which I say "gamma correction". At this moment there are 216 of them.

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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)