"brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx> writes: > I'm not aware of it causing any practical problems for people, although > I could imagine some cases where it could, in theory, break things. I > merely noticed this in trace output and thought we should tidy it up. > If users are using the header and expecting a localized response, this > will make it more likely that they get the one they were expecting. I feel like it is a bit strange to only exclude "C" or "POSIX". I think the correct behavior would be to accept any values, or convert the current locale to the closest BCP 47 language tag. But as you mentioned converting them would require a database of all tags... Collin