Use `->denotational' and/or `->subsumptive' for some character

Use `->denotational' and/or `->subsumptive' for some character
definitions.
(M-20252): Unify U-0002472E and H4-BA6C.
(M-20254): Unify U-00024727 and H4-BA4C.
(M-20255): Unify U-00024729.
(U+72B6): Add S1-4762; add `<-simplified@CN' for K0-5F52; add
`<-simplified@ucs' for U+72C0.
(J0-603F): Add S1-4767.
(M-20398): Unify U-0002478D.
(M-20399): Map to U-0002478E.
(M-20400): Map to U-00024789; integrate CB06088.
(M-20402): Unify U-0002478B and H4-BCB5.
(M-20403): Unify CB06343; map to U-0002478C; integrate H4-BCF8.
(M-20404): Unify U-0002478A and H4-BC79.
(U+72EC): Add `<-simplified@CN' for U+7368; add `<-simplified@ucs' for
U+7368.
(U+72ED): Add `<-simplified@CN' for U+72F9; add `<-simplified@ucs' for
U+72F9.
(U+732E): Use `<-simplified@CN' for U+4F57; add `<-simplified@ucs' for
U+737B.
(M-20712): Unify H4-C1A8; map to U-00024884.
(M-20713): Unify U-00024880 and H4-C16C.
(U+7376): Use `->denotational' instead of `->subsumptive'.
(M-20776): Map to U-000248BC.
(M-20781): Map to U-000248C6; integrate H4-C366.
(M-20786): Unify U-000248CC and H4-C3A9; add `total-strokes'.