(UU+65A5): Unify MJ013075.

(UU+65A5): Unify MJ013075.
(U-00023091): Add `ideographic-structure'; add `sound@ja/on'; unify
G-T17106 and GT-K00786; add `<-ancient' for U+6597; add `->mistakable'
for U+65A4.
(U+65AB): Add `<-denotational@usage' for BUCS+65AB; apply new
conventions for glyph granularity.
(U+65AE): Add `<-denotational@usage' for A2-DJT-04372; apply new
conventions for glyph granularity.
(U+65B0): Apply new conventions for glyph granularity.
(U-000230B2): Add `<-Zhouwen' for U+3ABF and U+6298.
(BUCS+65AB): New abstract node; unify A2-DJT-04368.
(A2-DJT-04372): New abstract node.