(U+7396): Add `<-denotational@usage' for BUCS+7396; apply new

(U+7396): Add `<-denotational@usage' for BUCS+7396; apply new
conventions for glyph granularity.
(A-U+5669-itaiji-001): New abstract node; use `<-denotational@usage'
for BUCS+5669.
(U+5669-itaiji-001): New character; use `<-denotational' for
A-U+5669-itaiji-001.
(U+73E1): Add `<-denotational@usage' for BUCS+7434; apply new
conventions for glyph granularity.
(U+7439): Add `<-denotational@usage' for BUCS+7434.
(U+7434): Add `<-denotational@usage' for BUCS+7434; apply new
conventions for glyph granularity.
(U-00024A5F): Apply new conventions for glyph granularity.
(U-00024ACD): Apply new conventions for glyph granularity.
(BUCS+7396): New abstract node; unify A2-DJT-07266.
(BUCS+7434): New abstract node; unify A2-DJT-07327.