Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On Sun, 2013-03-03 at 10:42 -0500, Tom Lane wrote:
>> Anybody have an opinion on whether to back-patch such a fix?
> I think it's a bug that should be backpatched.
Done. In addition to day/month names, I found that there were
case-folding hazards for timezone abbreviations ('tz' format)
and Roman numerals for numbers ('rn' format) ... though, curiously,
not for Roman numerals for months.
regards, tom lane