(BC-88BA-itaiji-002): Use A-BC-88BA-itaiji-004 instead of

(BC-88BA-itaiji-002): Use A-BC-88BA-itaiji-004 instead of
A-BC-88BA-itaiji-001 as the target of `<-denotational'.
(A-BC-88BA-itaiji-004): New abstract node; use `<-denotational' for
A-BC-88BA-itaiji-002.
(A-BC-88BA-itaiji-002): Separate A-BC-88BA-itaiji-001.
(BC-88BA-itaiji-003): New character; use `<-denotational' for
A-BC-88BA-itaiji-003.
(BC-88BA-itaiji-004): New character; use `<-denotational' for
A-BC-88BA-itaiji-004.
(A-U+595A-itaiji-001): New abstract node; use `<-denotational' for
A-cgnU+595A.
(U+595A-itaiji-001): New character; use `<-denotational' for
A-U+595A-itaiji-001.
(A-BC-88BA-itaiji-003): New abstract node; use `<-denotational' for
A-BC-88BA-itaiji-001.
(A-BC-88BA-itaiji-001): Separate A-BC-88BA-itaiji-002; use
`<-denotational' for A-BC-88BA-itaiji-002.
(U+5870-itaiji-005): New character; use `<-denotational' for
U-00026C29.