(U+673E): Add `ideographic-structure'; add representative nodes.

(U+673E): Add `ideographic-structure'; add representative nodes.
(U+675E): Add `ideographic-structure'.
(UU+675E): Add some relations for other characters.
(U+67B1): Apply new conventions for glyph granularity.
(A-compU+67BD): New abstract node.
(U+67BD): Add `<-denotational' for A-compU+67BD; add
`ideographic-structure'; add `sound@ja/on'; add some relations for
other characters.
(U+67BD-itaiji-001): New character; use `<-denotational' for
A-compU+67BD.
(UU+3B52): Add some relations for other characters.
(U+67F4): Apply new conventions for glyph granularity.
(g2-AJ1-17775): Add `=decomposition@cid'.
(U+6815): Add `<-denotational@component' for A-IWDSU+6815; apply new
conventions for glyph granularity.
(U-00023435): Likewise.
(U+6853): Apply new conventions for glyph granularity.
(U-00023469): New character.
(U+686D): Add `ideographic-structure'; add `sound@ja/on'; unify
MJ013929 and KOSEKI-166930; add representative nodes.
(U+689F): Add `sound@ja/on'.
(JU+689F): Add `ideographic-structure'; add some relations for other
characters.
(U+68A9): Likewise; add representative nodes.
(U-000234AE): New character.
(U+696B): Add `ideographic-structure'; add `sound@ja/on'; add some
relations for other characters.
(U+69D7): Apply new conventions for glyph granularity.
(U+3BC6): Add `sound@ja/on/{kan|go}'.
(CU+3BC6): Unify MJ001807 and KOSEKI-174460; apply new conventions for
glyph granularity.
(U+4CB7): Apply new conventions for glyph granularity.
(U-0002363A): Likewise.
(U+6A38): Likewise.
(U+6A3D): Add `ideographic-structure'; add `sound@ja/on'.
(J2004U+6A3D): Add `ideographic-structure'; add some relations for
other characters.
(U+6A47): Likewise.
(U+6A4B): Apply new conventions for glyph granularity.
(U+6AC3): Likewise.
(U-00023763): New character.
(U+6AD0): Apply new conventions for glyph granularity.
(U+6AD1): Add `ideographic-structure'; add `sound@ja/on'; add some
relations for other characters; add representative nodes.
(U-000237C5): Add `sound@ja/on'.
(o-CU+237C5): Unify A-MJ038406.
(M-15849): Unify MJ038406 and KOSEKI-179960; add some relations for
other characters.
(U-0002387A): Apply new conventions for glyph granularity; add some
relations for other characters.
(A-IWDSU+6815): New abstract node.