- Add Hanyo-Denshi/KS code points.

- Add Hanyo-Denshi/KS code points.
- Add `=decomposition@hanyo-denshi' for some abstract glyph-forms of
  Hanyo-Denshi/KS.
(A-compU+53E3): New abstract node.
(A-IWDSU+53E3): Add `<-denotational@component' for A-compU+53E3.
(U+53E4-var-002): New character; use `<-subsumptive' for U+53E4.
(HNG-KAR0673-0): Use `<-subsumptive' for g2-U+53E4-var-002 instead of
`<-denotational' for U+53E4.
(U+66F3-itaiji-001): New character.
(U-00020BBA): New character.
(U+66F5-itaiji-002): New character.
(A-cgnU+20BCC): New abstract node.
(U-00020BCC): Apply new conventions for glyph granularity; add
`<-denotational' for A-cgnU+20BCC.
(U-0002BA59): New character.
(U+547D): Apply new conventions for glyph granularity; modify
structure.
(A-cgnU+548E): New abstract node.
(U-00020C50): Use `->denotational' and `->subsumptive'.
(U-00020C81): New character.
(U-00020C84): New character.
(A-BC-857A): New abstract node.
(BC-857A): New character; use `<-denotational' for A-BC-857A.
(A-cgnU+559C): New abstract node.
(U+559C): Add `<-denotational' for A-cgnU+559C.
(U-00020DD4): Use `->denotational' and `->subsumptive'.
(A-cgnU+55AE): New abstract node.
(A-IWDSU+55AE): Add `<-denotational' for A-cgnU+55AE.
(U-00020F2C): Apply new conventions for glyph granularity.
(U-00021057): Use `->denotational' and `->subsumptive'.
(U-0002D2E8): New character.