[RFC] moneypunct::frac_digits < 0 ?!?

[Paolo Carlini]

Paolo Carlini wrote:

> So, what shall we do? Consistency with other sections of the
> standard (i.e., num_put::do_put for negative precision) and Note
> 244 seem to suggest that we should use by "default" the value 2...

... another possibility (22.2.6.3, p3) is that a negative frac_digits()
should lead to the very same behavior of frac_digits() == 0.

Probably, I like this interpretation better.

Paolo.