On 12/05/11 09:45 +0200, Paul J Stevens wrote:
> This makes me wonder if perhaps the whole required state machinery needs
> to be able to allow zero values on numeric fields to satisfy the
> requirement. I'm well aware of where this comes from: in python numeric
> values of zero evaluate to False. However, is a business context an
> explicit zero-amount is *not* the same as an unspecified amount, or in
> other words: 0 is not False, only False is False.

Have you ideas about how we could be sure to not have zero-amount per error?

-- 
Cédric Krier

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