(U+3870): Apply new conventions for glyph granularity.

(U+3870): Apply new conventions for glyph granularity.
(A-compU+221DB): New abstract node.
(U-000221DB): Apply new conventions for glyph granularity; add
`<-denotational@component' for A-compU+221DB.
(CB08770): New character; use `<-denotational@component' for
A-compU+221DB.
(U+5E86-itaiji-001): New character; use `<-denotational' for U+5E86.
(U-0002D655): Apply new conventions for glyph granularity.
(GT-K03190): New character; use `<-denotational' for U-0002D655.
(U+3886): Apply new conventions for glyph granularity.
(U-00022259): Likewise.
(U-000303FC): New character; use `<-denotational' for A-IWDSU+9FEE.
(A-IWDSU+9FEE): New abstract node.
(U+9FEE): New character.
(U+5ED7): Apply new conventions for glyph granularity.
(U+5EDB): Add `<-denotational@usage' for A2-DJT-02986; add
`ideographic-structure'; add `sound@ja/on/{kan|go}'.
(UU+5EDB): Add `ideographic-structure'; unify DJT-02986; add some
relations for other characters.
(U-000222D2): Use `->denotational' and `->subsumptive'.
(U-000222D3): Apply new conventions for glyph granularity.
(U-000222D6): New character.
(U-0002230B): Use `->denotational' and `->subsumptive'.
(A2-DJT-02986): New abstract node.