(A-cgnU+8001): New abstract node.

(A-cgnU+8001): New abstract node.
(U+8001): Add `<-denotational' for A-cgnU+8001; add
`ideographic-structure'.
(UU+8001): Delete `=>ucs@iwds-1'.
(HNG-KHI0145-0): Use A-cgnU+8001 instead of U+8001 as its mother.
(A-IWDSU+264C6): New abstract node.
(U-000264C6): New character; use `<-denotational' for A-IWDSU+264C6.
(M-28865): Unify U-000264C6; use `<-denotational' for A-IWDSU+264C6
instead of `<-subsumptive' for U-000264C3.
(U-000264C3): Apply new conventions for glyph granularity.
(U-000264C4): Apply new conventions for glyph granularity.