(===jis-x0208@1978): Use `==jis-x0208@1978' instead of `===jis-x0208'

(===jis-x0208@1978): Use `==jis-x0208@1978' instead of `===jis-x0208'
as the mother.
(===jis-x0208@1983): Use `==jis-x0208@1983' instead of `===jis-x0208'
as the mother.
(===jis-x0208@1990): Use `==jis-x0208@1990' instead of `===jis-x0208'
as the mother.
(===jis-x0213-1@2000): Use `==jis-x0213-1@2000' instead of
`===jis-x0213-1' as the mother.
(===jis-x0213-1@2004): Use `==jis-x0213-1@2004' instead of
`===jis-x0213-1' as the mother.
(===ucs@unicode): Use `==ucs@unicode' instead of `===ucs@iso' as the
mother.
(===ucs@ks): Use `==ucs@ks' instead of `===ucs@unicode' as the mother.