Dear GNU localedef, I know Unicode has a lot of characters, but I doubt these statistics:
[verbose] LC_CTYPE: table for class "upper": 18446744073709551615 bytes
[verbose] LC_CTYPE: table for class "lower": 18446744073709551615 bytes
[verbose] LC_CTYPE: table for class "alpha": 18446744073709551615 bytes
[verbose] LC_CTYPE: table for class "digit": 18446744073709551615 bytes