From: Salmon Egg on
Very few photos are posted that are truly exposed and processed
correctly. The combination of Control-option-command with a comma or
period [< or >] will respectively decrease or increase contrast by one
step. Unfortunately, this combination will not auto-repeat. Is there a
simple way to have this combination auto-repeat? There are many pictures
for which no amount of contyrast change will be helpful.

Bill

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An old man would be better off never having been born.