(U+5C3C-var-004): New character; use `<-denotational' for U+5C3C.

(U+5C3C-var-004): New character; use `<-denotational' for U+5C3C.
(U-00021C25): Apply new conventions for glyph granularity.
(U+21C3B-itaiji-001): New character.
(U+5C40): Add `sound@ja/on/{kan|go}'; add some relations for other
characters.
(U+5C41): Apply new conventions for glyph granularity.
(U-00021C3B): New character.
(U-00021C3C): Apply new conventions for glyph granularity.
(U-00021C3A): Apply new conventions for glyph granularity.
(U+5C3F-itaiji-001): Use U+6C3A instead of BC-8C41.
(U+5C50): Apply new conventions for glyph granularity.
(U-00021C9E): Likewise.
(U-00021CA9): Likewise.
(J97-3C48): Move `<-denotational@usage' for A2-DJT-02504 to U+5C61 and
U+5C62.
(U+5C61): Add `<-denotational@usage' for BUCS+5C62; apply new
conventions for glyph granularity.
(U-00021CBF): Apply new conventions for glyph granularity.
(U-00021CB7): Add ideographic-structure.
(U-00021CB9): New character.
(U-00021CBD): New character.
(U+5C62): Add `<-denotational@usage' for BUCS+5C62.
(U+5C62-itaiji-001): New character; use `<-denotational' for U+5C62.
(HNG-KAR0788-0): Use `<-subsumptive' for U+5C62-itaiji-001 instead of
`<-denotational' for U+5C62.
(U-00021CF5): New character.
(U-00021CF6): New character.
(U-00021CFA): New character.
(A2-DJT-02480): Unify BUCS+5C40.
(BUCS+5C41): New abstract node; unify A2-DJT-02481.
(A2-DJT-02493): Unify BUCS+5C50.
(A2-DJT-02504): Unify BUCS+5C62.