(A-U+4EAF-itaiji-002): New abstract node.

(A-U+4EAF-itaiji-002): New abstract node.
(U+4EAF-itaiji-002): New character; use `<-denotational' for
A-U+4EAF-itaiji-002.
(GT-K04903): Add UU+4EAF as a target of `<-formed@component'.
(U+54CB): Apply new conventions for glyph granularity.
(U+4EAF-itaiji-001): New character; use `<-denotational' for
A-U+23140-itaiji-001.
(U+54EA): Add `<-denotational@usage' for BUCS+54EA.
(UU+54EA): Unify DJT-01320.
(U+555A): Add `<-denotational@usage' for A2-DJT-01378.
(JU+555A): Unify DJT-01378.
(BUCS+54EA): New abstract node; unify A2-DJT-01320.
(A2-DJT-01378): New abstract node.