- Use ``character-reference'' style for `->uppercase' and

- Use ``character-reference'' style for `->uppercase' and
  `->lowercase'.
- Omit `->titlecase' because each value of it has the same value of
`->uppercase'.
(GREEK SMALL LETTER ALPHA WITH VARIA): Separate JX1-2B46.
(LATIN SMALL LETTER ALPHA WITH GRAVE): New character; unify JX1-2B46.
(GREEK SMALL LETTER ALPHA WITH OXIA): Separate JX1-2B47.
(LATIN SMALL LETTER ALPHA WITH ACUTE): New character; unify JX1-2B47.
(GREEK SMALL LETTER EPSILON WITH VARIA): Separate JX1-2B50.
(LATIN SMALL LETTER OPEN E WITH GRAVE): New character; unify JX1-2B50.
(GREEK SMALL LETTER EPSILON WITH OXIA): Separate JX1-2B51.
(LATIN SMALL LETTER OPEN E WITH ACUTE): New character; unify JX1-2B51.