On tis, 2009-11-10 at 17:15 -0500, Tom Lane wrote:
> I was wondering what we ought to do about this. I can't find any clear
> documentation about these locales on my Mac, but it sure looks like they
> are effectively encoding-agnostic, which means that it might be
> reasonable to default to SQL_ASCII --- anyway there is certainly not any
> basis for selecting a different default. However, if we want to do that
> it's not a one-liner change, because the API for
> pg_get_encoding_from_locale isn't designed to allow for this.
Well, --locale=C results in encoding SQL_ASCII, and the encoding of
locale C is in fact by definition US-ASCII. So any locale that
explicitly claims it is US-ASCII should have the same result.