It should be reversible, sure. Just let me know when you find a standardized, correct, one-to-one mapping between JIS codepoints and Unicode codepoints. Also ma

It should be reversible, sure. Just let me know when you find a standardized, correct, one-to-one mapping between JIS codepoints and Unicode codepoints. Also make sure it hasn't changed in the lifetime of the oldest software that anyone is using.