(IWDS1-0088): Unify A-compU+573C instead of U+573C; use

(IWDS1-0088): Unify A-compU+573C instead of U+573C; use
`<-denotational@component' for A-IWDSU+573C instead of
`<-denotational' for IWDS1-0089.
(U+573C): Separate IWDS1-0088; use `<-denotational@component' for
IWDS1-0088 and IWDS1-0089 instead of `<-denotational' for IWDS1-0089;
add `ideographic-structure'.
(U+363F): Add `<-denotational@component' for A-IWDSU+363F; apply new
conventions for glyph granularity for a component of
ideographic-structure.
(CB03166): New character; use `<-denotational' for U+363F.
(U-00021364): Add `<-denotational@component' for A-IWDSU+363F; apply
new conventions for glyph granularity.
(A-IWDSU+573C): New abstract node.
(A-IWDSU+363F): New abstract node.