They were grandfathered in, not voted on. Or rather there was a vote that resulted in adopting the character sets developed by Japanese telecoms en masse.
Weirdly this is in line with Unicode in general. Widespread (and not even widespread) historic use in say print results in characters getting included.
Weirdly this is in line with Unicode in general. Widespread (and not even widespread) historic use in say print results in characters getting included.