(A-compU+21D31): New abstract node; use `<-denotational@component' for

(A-compU+21D31): New abstract node; use `<-denotational@component' for
A-IWDSU+5C7A.
(U-00021D31): Add `<-denotational' for A-compU+21D31; add
`ideographic-structure'; add `sound@ja/on'; add `<-ancient' for
CU+6248; add `->mistakable' for U+5C7A; add representative nodes.
(A-compU+5C7A): New abstract node; use `<-denotational@component' for
A-IWDSU+5C7A.
(U+5C7A): Add `<-denotational' for A-compU+5C7A; add `sound@ja/on';
add `->formed' for U+5CD0 and U+37AF.
(U-00021D46): Add `<-denotational' for A-compU+5C7A; add
`<-denotational@component' for A-compU+21D31; add
`ideographic-structure'; add representative nodes.
(A-IWDSU+37AF): New abstract node.
(U+37AF): Add `<-denotational' for A-IWDSU+37AF; add
`ideographic-structure'; add some relations for other characters; add
representative nodes.
(U-00021D52): New character; use `<-denotational' for A-IWDSU+37AF.
(U+5C8A): Add `ideographic-structure'; add `sound@ja/on/{kan|go}'; add
`<-same' and `<-formed' for M-26243.
(U+5CD0): Add `ideographic-structure'; add `sound@ja/on'; add `<-same'
and `<-formed' for U+5C7A.
(A-IWDSU+5C7A): New abstract node.