I'll test it with an older version of OpenBSD later, but on OpenBSD 5.5, it looks like LC_MONETARY may be limited. From man setlocale:
>>Use of LC_MONETARY could lead to misleading results until we have a real time currency conversion function. -- You received this message because you are subscribed to the Google Groups "Mezzanine Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
