(U-00021DAB): Add `<-denotational' for A-IWDSU+21D0E; add

(U-00021DAB): Add `<-denotational' for A-IWDSU+21D0E; add
`ideographic-structure'; add `sound@ja/on'; add some relations for
other characters.
(U-00021E22): Apply new conventions for glyph granularity.
(U-00021E23): Likewise.
(U+5D72): Likewise.
(U+5DA0): Likewise.
(U+3810): Likewise.
(U-00021F21): New character; use `<-denotational' for A-IWDSU+21F21.
(A-IWDSU+21F21): New abstract node.
(U+5DAD): Apply new conventions for glyph granularity.
(A-cgnU+3814): New abstract node.
(U+3814): Apply new conventions for glyph granularity; add
`<-denotational' for A-cgnU+3814.
(A-U+3814-itaiji-001): New abstract node; use `<-denotational' for
A-cgnU+3814.
(U+3814-itaiji-001): New character; use `<-denotational' for
A-U+3814-itaiji-001.
(U-00021FA6): Use `->denotational' and `->subsumptive'.
(U-00021FA4): New character; use `<-denotational' for A-cgnU+219AF.
(U-00021FB2): Use `->denotational' and `->subsumptive'.
(U-00021FD6): Likewise.