(U+5238): Add abstract ideographic-structure.

(U+5238): Add abstract ideographic-structure.
(A-M-01992): New abstract character.
(U+5246): Add `<-denotational' for A-M-01992.
(A-CU+2F821): Move U-0002F821 to C6-2E76.
(B-CBD3): Add `=>>ucs@unicode'.
(U+34EA): Use `<-denotational' for A-M-01992; add abstract
ideographic-structure.
(G-UU+34EA): New abstract glyph.
(UU+34EA): Use `<-subsumptive' for G-UU+34EA.
(UU+524F): Separate G-UU+524F.
(U-0002075C): Use `->denotational'.
(A-M-02075): New abstract character.
(U-00020751): Add `<-denotational' for A-M-02075.
(U-0002074B): Add `<-denotational' for A-M-02075.
(UU+5271): Separate G-UU+5271.