(A-UU+9F9C): New abstract node; use `<-denotational' for U+9F9C.

(A-UU+9F9C): New abstract node; use `<-denotational' for U+9F9C.
(U+FACE): Use A-UU+9F9C instead of U+9F9C as its mother.
(UU+9F9C): Use A-UU+9F9C instead of U+9F9C as its mother.
(A-IWDSU+2A6B1): New abstract node.
(U-0002A6B1): Add `<-denotational' for A-IWDSU+2A6B1; modify structure
to narrow unifiable range.
(IU+2A6B1): Unify GT-66730.
(U-0002B81D): New character.