(U-00024C17): Add `<-denotational@component' for A-IWDSU-24C17; apply

(U-00024C17): Add `<-denotational@component' for A-IWDSU-24C17; apply
new conventions for glyph granularity for components of
ideographic-structure.
(A-BC-8CE6-itaiji-001): New abstract node.
(BC-8CE6-itaiji-001): New character; use `<-denotational' for
A-BC-8CE6-itaiji-001.
(BC-8CE6-var-004): New character; use `<-denotational' for
A-BC-8CE6-itaiji-001; use `<-denotational@component' for
A-U+9B3C-itaiji-002.
(U+753E): Add `<-denotational@usage' for BUCS+753E.
(U+7544): Apply new conventions for glyph granularity.
(A-BC-8CE6): Modify structure.
(A-U+7540-itaiji-001): New abstract node.
(U+7540-itaiji-001): New character; use `<-denotational' for
A-U+7540-itaiji-001.
(GT-K04566): Modify structure.
(BC-8CE6): Modify structure.
(U-00031C2D): Add `<-denotational@usage' for A2-DJT-07490; unify
A-M-21761.
(hanaJU+31C2D): Unify U-0002F936, C4-2A44 and M-21761.
(DJT-07495): Use `<-denotational' for U-00031C2D instead of
`<-subsumptive' for A-M-21761.
(A-U+282A5-itaiji-001): New abstract node.
(U+282A5-itaiji-001): New character; use `<-denotational' for
A-U+282A5-itaiji-001.
(U+7559): Apply new conventions for glyph granularity.
(U-0002AF57): New character.
(UU+757A): Use U+4E09-var-002 instead of U+4E09 as a component.
(A-IWDSU-24C17): New abstract node.
(BUCS+753E): New abstract node.
(A2-DJT-07508): Unify BUCS+7559.