(A-IWDSU+7F51): Omit `<-denotational@usage' for BUCS+7DB2; moved to

(A-IWDSU+7F51): Omit `<-denotational@usage' for BUCS+7DB2; moved to
U+7F51 and U+26273.
(U+7F51): Add `<-denotational@usage' for BUCS+7DB2.
(U-00026273): Ditto.
(A-IWDSU+2626D): New abstract node; use `<-denotational@component' for
A-compU+2626D.
(U-0002626D): Add `<-denotational' for A-IWDSU+2626D; add `<-ancient'
for U+56DB.
(A-compU+4350): New abstract node.
(U+4350): Add `<-denotational@component' for A-compU+4350; apply new
conventions for glyph granularity.
(A-U+7F85-itaiji-002): Unify U-00031EB5.
(U+7F85-itaiji-002): Unify hanaJU+31EB5.
(U+7F74): Add `<-denotational@usage' for BUCS+7F86; apply new
conventions for glyph granularity.
(U+7F77): Add `<-denotational@usage' for BUCS+7F77; add
`sound@ja/on/{kan|go}'.
(UU+7F77): Unify DJT-09133; add some relations for other characters.
(U-000262FC): Apply new conventions for glyph granularity.
(U+7F86): Add `<-denotational@usage' for BUCS+7F86; apply new
conventions for glyph granularity.
(U-00026332): Apply new conventions for glyph granularity.
(A-compU+2626D): New abstract node.
(BUCS+7F86): New abstract node; unify A2-DJT-09145.
(BUCS+7F77): New abstract node; unify A2-DJT-09133.