(U+37A6): Add `<-denotational@component' for A-IWDSU+5C7C; apply new

(U+37A6): Add `<-denotational@component' for A-IWDSU+5C7C; apply new
conventions for glyph granularity.
(U+5C7C): Likewise.
(U+5C7E): Add `<-denotational@component' for A-IWDSU+8278; apply new
conventions for glyph granularity.
(U-00021D41): Add `ideographic-structure'; add `sound@ja/on'; unify
MJ034485 and KOSEKI-089610; add `<-ancient' and `<-formed' for
UU+5371; add `<-interchangeable' for UU+5CD7; add representative
nodes.
(U+5CD7): Apply new conventions for glyph granularity.
(U+5CDE): Likewise.
(U-00021DC8): New character; use `<-denotational@component' for
A-IWDSU+8294.
(U+5D6C): Apply new conventions for glyph granularity.
(U+3815): Likewise.
(A-cgnU+3822): New abstract node.
(U+3822): Add `<-denotational' for A-cgnU+3822; apply new conventions
for glyph granularity.
(A-U+3822-itaiji-001): New abstract node; use `<-denotational' for
A-cgnU+3822.
(U+3822-itaiji-001): New character; use `<-denotational' for
A-U+3822-itaiji-001.
(U+5DCB): Add `ideographic-structure'; add `sound@ja/on'.
(JU+5DCB): Add `ideographic-structure'; add `<-formed' and `<-same'
for JU+5D6C.
(UU+5DCB): Add `ideographic-structure'.
(U+5DCD): Add `sound@ja/on'.
(JU+5DCD): Add some relations for other characters.
(A-IWDSU+5C7C): New abstract node.