(U+7681): Add `<-denotational@component' for A-IWDSU+7681; add

(U+7681): Add `<-denotational@component' for A-IWDSU+7681; add
`<-denotational@usage' for BUCS+7681; unify DJT-07712.
(U+7681-itaiji-001): New character; add `<-denotational@component' for
A-IWDSU+7681.
(A-cgnU+24F56): New abstract node.
(U-00024F56): Add `<-denotational' for A-cgnU+24F56; apply new
conventions for glyph granularity.
(U+24F56-itaiji-001): New character; use `<-denotational' for
A-cgnU+24F56.
(U-00024F57): New character.
(A-IWDSU+7681): New abstract node.
(BUCS+7681): New abstract node; unify A2-DJT-07712.