(A-BC-8DE2): New abstract node.

(A-BC-8DE2): New abstract node.
(CB02981): Add `ideographic-structure'.
(BC-8DE2): New character; use `<-denotational' for A-BC-8DE2.
(GT-K01400): New character; use `<-denotational' for U+4EFA; unify
U+4EFA-var-001.
(A-U+9801-itaiji-002): New abstract node.
(U+9801-itaiji-002): New character.
(U-0002037A): Add `ideographic-structure'; add `<-ancient' for U+590F.
(IU+2037A): Modify structure to use U+9801-itaiji-002.
(U-00020428): Apply new conventions for glyph granularity.
(U-00020441): New character.
(U-0002B904): Add `total-strokes'; add `ideographic-structure'.