> On 24 Jun 2020, at 16:05, Ken Moffat via Bug reports for Bison, the GNU > parser generator <bug-bison@gnu.org> wrote: > > On Wed, Jun 24, 2020 at 10:20:48AM +0200, Hans Åberg wrote: >> >> I pointed out that out: There is a double bug, locale dependent generation >> of the parser file, and relying on software that can't handle LC_CTYPE=UTF-8. > > On (at least) linux using glibc, LC_CTYPE requires a valid locale. > And UTF-8 on its own is not a valid locale. > > A quick search on google suggests that LC_CTYPE will, among other > things, control what is a valid letter, and lowercase|uppercase > conversions.
I have found no information about what POSIX says is a valid locale. > Taking an easy case, with languages written in latin alphabets, what > is the uppercase of 'i' ? In Turkey it is İ (with a dot), because > in turkish dotted-i and dotless-i are different letters. There is a LANG variable that might be set.
