I've seen special meals in FC on CO.
I seem to remember reading somewhere that if you want to decrease your chances of an involuntary bump, a special meal was a good idea, especially kosher.
I would tend to think that a FC passenger requesting an economy meal would be a welcome cost-cutting offer!
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"I will not be pushed, filed, stamped, indexed, briefed, debriefed or numbered. My life is my own."