(A-cgnU+223A5): New abstract node.

(A-cgnU+223A5): New abstract node.
(U-000223A5): Add `<-denotational' for A-cgnU+223A5; add
`ideographic-structure'.
(U+223A5-var-002): New character; use `<-denotational' for U-000223A5.
(BC-8CC4): Use `<-denotational' for U-000223A5 instead of
`<-subsumptive' for A-BC-8CC4; add `<-denotational@component' for
A-BC-8CC4.
(U+223A5-var-001): Use `<-denotational' for A-cgnU+223A5 instead of
`<-subsumptive' for A-BC-8CC4; add `<-denotational@component' for
A-BC-8CC4.
(A-BC-8CC4): Use `<-denotational@component' for A-cgnU+223A5 instead
of `<-denotational' for U-000223A5.