Oliver Ford <ojf...@gmail.com> writes: > On Monday, 13 November 2017, Tom Lane <t...@sss.pgh.pa.us> wrote: >> I don't follow your concern? If "$" is not the correct currency >> symbol for the locale, we shouldn't accept it as a match to an L format. >> Your patch is tightening what we will accept as a match to a G format, >> so I don't see why you're concerned about backward compatibility in >> one case but not the other.
> It's a guess as to the likely use case. I would imagine that people are > likely to use a currency symbol different from the locale, but unlikely to > use a different group separator. Others might have a different opinion > though. Well, if they use a currency symbol different from the locale's, they're in trouble anyway because the number of bytes might be different. In most encodings, symbols other than "$" are probably not 1-byte characters. At the very least I think we need to constrain it enough that it not swallow a fractional character. regards, tom lane