Comment 3 for bug 659763

Thanks for the link.

Sylvain says there

> I also think that the GECOS' encoding is generally independant from the user's current locale.

which is true, there's no guarantee that it is the same, but I'm not
aware of anything else that would tell us what it is. We can assume
it's ascii, assume it's utf-8 (perhaps most likely in 2010) or assume
it's the user's locale.