(A-IWDSU+5B8C): New abstract node.

(A-IWDSU+5B8C): New abstract node.
(U+5B8C): Add `<-denotational@component' for A-IWDSU+5B8C; add
`ideographic-structure'.
(HNG-KCJ0581-0): New character; use `<-subsumptive' for U+5B8C; use
`<-HNG@chise' for U+5B8D; use `<-formed' for U+5B8D and U+8089.
(HNG-KBK0578-0): Likewise.
(U+5B8D): Add `<-denotational@component' for A-IWDSU+5B8C; add
`ideographic-structure'; add `sound@ja/on'; add `<-formed' for U+8089;
(HNG-KGK0060-0): New character; use `<-subsumptive' for g2-UU+5B8D;
use `<-HNG@chise' for U+5B8D.
(HNG-MAM0855-2): Likewise.
(HNG-KMI0149-0): New character; use `<-subsumptive' for U+5B8D; use
`<-HNG@chise' for U+5B8D.