(A-cgnU+6E34): New abstract node.

(A-cgnU+6E34): New abstract node.
(A-cgnU+6E07): Changed from U+6E07; add `<-denotational' for
A-cgnU+6E34.
(A-IWDSU+6E34): New abstract node; add `<-denotational' for
A-cgnU+6E34.
(AJ1-01479): Unify U+6E07 instead of A-IWDSU+6E37 and UU+6E07; use
A-IWDSU+6E34 instead of U+6E07 as its mother.
(U+6E07-itaiji-001): Use A-cgnU+6E37 instead of U+6E07 as its mother.
(U+6E34): Add `<-denotational' for A-IWDSU+6E34; add
`ideographic-structure'; add some relations for other characters; add
representative nodes.
(U+3D63): Apply new conventions for glyph granularity.
(C4-507A): Unify UU+3D63 and M-18404.