(A-cgnU+4E02): New abstract component; add `<-denotational@component'

(A-cgnU+4E02): New abstract component; add `<-denotational@component'
for A-compU+4E02.
(U+4E02): Use A-cgnU+4E02 instead of A-compU+4E02 as its mother.
(BC-8BBF): Ditto.
(U-00020001): Add `<-denotational@component' for A-compU+4E02.
(BUCS+4E08): Separate A-compU+4E08 and IWDS1-0248.
(IWDS1-0248): New abstract component; unify A-IWDSU+4E08 instead of
A-compU+4E08; use `<-denotational' for BUCS+4E08.
(U+4E08): Use A-cgnU+4E08 instead of BUCS+4E08 as its mother.
(U+4E10): Add `<-formed' for IU+208CF; add `<-vulgar' for UU+5303; add
`->mistakable' for U+4E0F.
(U-0002000B): Use A-cgnU+4E08 instead of BUCS+4E08 as its mother.
(A-J0-5242): Unify A-IWDSU+4E17 instead of A-compU+4E17.