(U+6C7A): Use `->subsumptive'.

(U+6C7A): Use `->subsumptive'.
(C1-4A6E): Moved into U+6C7A.
(G0-4549): Separate U+6D3E; use `->subsumptive' to integrate K0-776F;
use `<-denotational' for U+6D3E.
(J83-4749): Use `->subsumptive' to integrate J90-4749; use
`<-denotational' for U+6D3E.
(U+6D3E): Define as an abstract character.
(C6-3242): Use `<-denotational' for U+6D3E; use `=>daikanwa' instead
of `morohashi-daikanwa'.