Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> This patch broke the regression tests. It seems to change the C-locale
>> behavior on many platforms.

> Oh, so C locale has "" for thousands_sep? Hmm. So there is no way to
> disinguish "" as "don't have" from "" as "don't want". Will revert.

Possibly we could special-case C locale, and allow an empty string only
when not C locale. However, it could be that there are other locales
where the change would surprise people, too :-(

regards, tom lane

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