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That's up to you -- I closed it before, and you opened it 
again.  Since I'm not clear on why it was reopened, 
assigning back to you.  Disallowing 3-arg pow for floats 
didn't preclude the possibility of giving 3-arg integer pow 
with negative 2nd arg a "modular inverse" meaning (which is 
the substance of the feature request, not float behavior), 
and I've got nothing new to say about that.