(A-cgnU+5302): New abstract component; use `<-denotational@component'

(A-cgnU+5302): New abstract component; use `<-denotational@component'
for A-compU+5303.
(U+5302): Add `<-denotational' for A-cgnU+5302.
(U+5302-itaiji-001): Likewise.
(U+5303): Add `<-denotational@component' for A-compU+5303.
(U-000208CF): Likewise.
(A-cgnU+5308): New abstract node.
(U+5308): Add `<-denotational' for A-cgnU+5308.
(MJ057080): New character; use `<-denotational' for A-cgnU+5308; use
`<-denotational@component' for A-compU+5303; unify HD-KS029170,
GT-K01120 and CB13242.
(U+5306-itaiji-001): New character.
(U-0002D14D): New character; unify MJ059392.
(A-compU+5303): New abstract node.