Change to using a static copy of IANA charset reg
Change to using a static copy of IANA charset reg

For now, until we have time to update the charset dataype code to
match the current spec.

YOTOV-LIMITED/validator,sammuelyee/validator,validator/validator,tripu/validator,YOTOV-LIMITED/validator,tripu/validator,takenspc/validator,sammuelyee/validator,takenspc/validator,sammuelyee/validator,takenspc/validator,validator/validator,validator/validator,YOTOV-LIMITED/validator,sammuelyee/validator,tripu/validator,sammuelyee/validator,validator/validator,takenspc/validator,tripu/validator,YOTOV-LIMITED/validator,tripu/validator,YOTOV-LIMITED/validator,validator/validator,takenspc/validator