(GT-K01762): Use `<-same@component/connect-below' instead of

(GT-K01762): Use `<-same@component/connect-below' instead of
`<-ideographic-component-forms'.
(U-00026407): Use `->denotational'.
(J90-344D): Use `<-simplified@JP/jis' instead of `<-simplified@JP' for
J78-344D.
(U+7FFC): Add B-C16C.
(U+4397): Use `->denotational' and `->subsumptive'.
(U-00026493): Likewise.
(U+7FFB): Use `->denotational'.
(M-28818): Use `<-denotational' for U+7FFC; add
`ideographic-structure'.
(K0-6C4F): Likewise; move B-C16C to U+7FFC; use `=>daikanwa' instead
of `morohashi-daikanwa' for M-28818.