(U-00021D33): Apply new conventions for glyph granularity.

(U-00021D33): Apply new conventions for glyph granularity.
(U+37AC): Likewise.
(U-00021D68): New character; use `<-denotational' for A-IWDSU+21D68.
(U-00021D72): Ditto.
(A-IWDSU+21D68): New abstract node.
(U+5CB3): Apply new conventions for glyph granularity; add
`<-denotational@usage' for A2-DJT-02559 and BUCS+5CB3.
(U-00021D93): Apply new conventions for glyph granularity.
(U-00021DB3): Likewise.
(U-00021DD2): Use `->denotational' and `->subsumptive'.
(U-0002D59A): New character.
(U+5D07): Apply new conventions for glyph granularity; add
`<-denotational@usage' for BUCS+5D07.
(U-00021E2D): New character.
(U-00021E31): New character.
(U-00021E38): New character.
(U-00021E3B): New character.
(U-00021E3C): New character.
(U-00021E3E): New character.
(A-U+5FAE-itaiji-008): New abstract node.
(U+5FAE-itaiji-008): New character; use `<-denotational' for
A-U+5FAE-itaiji-008.
(U-00021F26): New character.
(U-00021F28): New character.
(U-00021F34): New character.
(U-00021F37): New character.
(U-00021F81): New character.
(U+5DBD): Apply new conventions for glyph granularity; add
`<-denotational@usage' for BUCS+5CB3 and A2-DJT-02737.
(U-00021F7A): Apply new conventions for glyph granularity.
(U-00021F6A): New character.
(BUCS+5CB3): New abstract node.
(BUCS+5D07): New abstract node; unify A2-DJT-02607.
(A2-DJT-02559): New abstract node; use `<-denotational' for BUCS+5CB3.
(A2-DJT-02737): Ditto.