Use `->denotational' and/or `->subsumptive' to separate representative

Use `->denotational' and/or `->subsumptive' to separate representative
nodes of some characters.
(U+917B): Use `->denotational'.
(U+9181): Use `->denotational' instead of `->subsumptive'.
(U-00028851): Likewise.
(U+4905): Likewise.
(U-00028874): Likewise.
(U-00028885): Likewise.
(U-00028888): Likewise.
(U+490B): Likewise.
(U+91A3): Use `->subsumptive'.
(U-000288A8): Use `->denotational' instead of `->subsumptive'.
(M-39998): Unify JC3-68F9.
(JSP-6271): Use `=ucs@jis' instead of `=ucs@jis/1990'.
(U+91A7): Use `->denotational' instead of `->subsumptive'.
(U-000288C1): Likewise.
(U+91B7): Use `->subsumptive'.