(U-0002564A): Use `->denotational' and `->subsumptive'; separate

(U-0002564A): Use `->denotational' and `->subsumptive'; separate
IU+2564A.
(IU+2564A): Add `=>ucs@iwds-1'; unify MJ042992, HD-KS275960 and
M-24684; add `<-formed' and `<-vulgar' for U+796D.
(HD-TK01065000): New character; add `<-denotational' for U-0002564A.
(U-00025635): New character; add HNG-KHI0159-0.
(U-000256D1): Apply new conventions for glyph granularity; separate
A-IU+256D1.
(A-IU+256D1): Add `=>ucs@iwds-1'.
(HNG-KHI0161-0): New character; add `<-denotational' for U-000256D1;
add `<-formed' for U+8925.