(IWDS1-0199): Unify A-IWDSU+826E instead of U+826E.

(IWDS1-0199): Unify A-IWDSU+826E instead of U+826E.
(AJ1-02081): Unify U+826E instead of UU+826E.
(BC-8B7C): Use `<-denotational@component' for IWDS1-0199, IWDS1-0357
and IWDS1-0356 instead of `<-denotational' for IWDS1-0357.
(IWDS1-0357): Delete `<-denotational' for U+826E.
(GT-K02400): Use `<-denotational@component' instead of
`<-denotational' for IWDS1-0357.
(A-IWDSU+826F): New abstract node; unify A-cgnU+826F.
(U+826F): Add `<-denotational' for A-IWDSU+826F.
(GT-K02673): Use `<-subsumptive' instead of `<-denotational' for
U+826F.
(BC-8C42): Use A-IWDSU+826F instead of U+826F as its mother; add
`<-denotational@component' for IWDS1-0355.