(A-IWDSU+5193): Separate A-UU+5193.

(A-IWDSU+5193): Separate A-UU+5193.
(A-MJ007320): New abstract node; unify A-GT-02023; use
`<-denotational' for A-IWDSU+5193.
(MJ007320): Use A-GT-02023 instead of A-IWDSU+5193 as the mother.
(GT-02026): Ditto.
(A-UU+5193): New abstract node; unify A-GT-02023; use `<-denotational'
for A-IWDSU+5193; unify A-MJ007321, A-GT-02025 and A-GT-K06707.
(GT-02025): Use A-UU+5193 instead of A-IWDSU+5193 as the mother.
(UU+5193): Ditto.
(U+5193-itaiji-002): Add `ideographic-structure'.