Add some Adobe-Japan1-0 code points.

Add some Adobe-Japan1-0 code points.
(A-CB00976): New abstract character.
(CB00976): Add `<-denotational' for A-CB00976.
(BUCS+89E3): New abstract character.
(U+89E3): Add `<-denotational' for BUCS+89E3.
(U+89E3-itaiji-009): New character; use `<-denotational' for
BUCS+89E3; use `<-formed' for U+89E3.
(HNG-KHM0518-0): Use `<-subsumptive' for U+89E3-itaiji-009.
(U+89E3-itaiji-008): Add `<-denotational' for BUCS+89E3.
(U+89E7): Use `->denotational' and `->subsumptive'; add
`<-denotational' for BUCS+89E3.
(JU+89E7): Add `<-vulgar' for JU+89E3.