(U+6C3A): Unify BC-8C43.

(U+6C3A): Unify BC-8C43.
(BC-8C41): Separated from <CJK RADICAL WATER TWO>; use `<-subsumptive'
instead of `<-denotational' for U+6C3A.
(CB04742): Unify U-0002DBFA.
(A-BC-8DBC): New abstract node.
(BC-8DBC-var-001): New character; use `<-denotational' for A-BC-8DBC.
(BC-8DBC): Likewise.
(U+6D66): Apply new conventions for glyph granularity.
(A-compU+23D68): New abstract node.
(U-00023D68): Apply new conventions for glyph granularity; add
`<-denotational' for A-compU+23D68.
(U-00023DFB): Add `<-denotational' for A-compU+23D68.
(U+6EDB): Add some representative nodes.
(CU+6F20): Use `<-interchangeable' instead of `->interchangeable'.
(U-00023EF2): Apply new conventions for glyph granularity.
(U-00023FFC): New character.
(U-00024011): Apply new conventions for glyph granularity.
(U+6FE5): Likewise.
(BUCS+6FEC): New abstract node.
(A-IWDSU+6FEC): New abstract node; add `<-denotational' for BUCS+6FEC.
(U+6FEC): Add `<-denotational' for A-IWDSU+6FEC.
(U-00024039): Likewise.
(U-00023FF0): New character; use `<-denotational' for BUCS+6FEC.
(U-00024092): New character.
(U-000240E3): Unify M-18680.
(U-000240DA): Apply new conventions for glyph granularity.
(MJ039755): New character; use `<-denotational' for U-000240DA; unify
KOSEKI-210520 and M-18685.
(U-000240D2): New character.
(U-00024111): Apply new conventions for glyph granularity.