(A-cgnU+796D): New abstract node.

(A-cgnU+796D): New abstract node.
(U+796D): Add `<-denotational' for A-cgnU+796D; add
`ideographic-structure'.
(A-cgnU+2B7B4): New abstract node; use `<-denotational' for
A-cgnU+796D.
(MJ058205): Unify U-0002E068; use A-cgnU+2B7B4 instead of U-0002B7B4
as its mother.
(U+2B7B4-itaiji-002): Use A-cgnU+2B7B4 instead of U-0002B7B4 as its
mother.
(MJ058207): Unify U-0002B7B4 instead of A-IWDSU+2B7B4 and IU+2B7B4;
use A-cgnU+2B7B4 instead of U-0002B7B4 as its mother.
(MJ058209): Use A-cgnU+2B7B4 instead of U-0002B7B4 as its mother.