(U+7390): Add `<-denotational@component' for A-IWDSU+3EAC; add

(U+7390): Add `<-denotational@component' for A-IWDSU+3EAC; add
`ideographic-structure'.
(U+3EAC): Add `<-denotational@component' for A-IWDSU+3EAC; apply new
conventions for glyph granularity.
(U-000248F2): Add `<-denotational' for U+3EAC; use `->denotational'
and `->subsumptive'.
(UU+3EAC): Unify U-0002F92A.
(U+3EB8): Apply new conventions for glyph granularity.
(U-0002F92C): New character; use `<-denotational' for U+3EB8.
(U-0002F92D): New character; use `<-denotational' for U+3EB8.
(U+745C): Add `<-denotational@usage' for BUCS+745C; apply new
conventions for glyph granularity.
(U-0002F92F): New character; use `<-denotational' for U+745C; unify
DJT-07345.
(A-IWDSU+3EAC): New abstract node.
(A-IWDSU+3EB8): Add `ideographic-structure'.
(BUCS+745C): New abstract node; unify A2-DJT-07345.