(U+56E2): Add `<-denotational@usage' for BUCS+5718.
(UU+56E2): Add `<-simplified@CN' for UU+5718 and UU+7CF0.
(U+56E3): Add `<-denotational@usage' for BUCS+5718.
(U+56F9): Add `<-denotational@usage' for BUCS+56F9; apply new
conventions for glyph granularity.
(U+5718): Add `<-denotational@usage' for A2-DJT-01648 and BUCS+5718;
apply new conventions for glyph granularity.
(U+571B): Add `<-denotational@usage' for A2-DJT-01650; apply new
conventions for glyph granularity.
(BUCS+5718): New abstract node.
(BUCS+56F9): New abstract node; unify A2-DJT-01626.
(A2-DJT-01650): New abstract node.
(A2-DJT-01648): New abstract node; use `<-denotational' for BUCS+5718.