(U+****): Add `->fullwidth'.

(U+****): Add `->fullwidth'.
(fullwidth *): Use `=>ucs' instead of `->ucs'; add `<-fullwidth'.
(MICRO SIGN): Delete `->uppercase' and `->lowercase'.
(fullwidth micro sign): Abolished.
- Use ``character-reference'' style [alist] instead of UCS code-point
  [hex integer] as the format of `->lowercase' and `->uppercase'.
- Omit `->titlecase' because each value of it has the same value of
  `->uppercase'.