(A-BC-85C5): New abstract node.

(A-BC-85C5): New abstract node.
(BC-85C5): New character; use `<-denotational' for A-BC-85C5.
(U+38C7-itaiji-011): Modify structure; preserve the previous IDS as an
apparent structure.
(U+38C7-itaiji-012): Likewise.
(A-U+5F56-itaiji-003): Add `ideographic-structure'.
(U+5F56-itaiji-003): Modify structure; preserve the previous IDS as an
apparent structure.
(A-U+38C7-itaiji-009): Add `ideographic-structure'.
(U+38C7-itaiji-008): Likewise.
(IU+2246F): Unify MJ035738 and KOSEKI-112550.
(U-0002247A): Apply new conventions for glyph granularity.