(A-cgnU+7FA9): Changed from U+7FA9.

(A-cgnU+7FA9): Changed from U+7FA9.
(A-IWDSU+7FA9): New abstract node; use `<-denotational' for
A-cgnU+7FA9.
(AJ1-01627): Unify U+7FA9 instead of A-IWDSU+7FA9 and UU+7FA9; use
A-IWDSU+7FA9 instead of U+7FA9 as its mother.
(U+7FA9-itaiji-001): Use A-IWDSU+7FA9 instead of BUCS+7FA9 as its
mother.
(HNG-KHI0526-0): Likewise.
(U+7FA9-itaiji-002): Use A-IWDSU+7FA9 instead of U+7FA9 as its mother.
(U+7FB2): Use A-IWDSU+7F8A instead of U-0002634C as a component.
(UU+7FB2): Use <CJK RADICAL RAM> instead of U-0002634C as a component.