(A-compU+20501): Changed from U-00020501.

(A-compU+20501): Changed from U-00020501.
(C6-214E): Unify U-00020501 instead of IU+20501; use
`<-denotational@component' for A-compU+20501 instead of
`<-denotational' for U-00020501.
(GT-K00859): Use `<-denotational@component' for A-compU+20501 instead
of `<-denotational' for U-00020501.
(U-0002050C): Add `<-denotational@component' for A-compU+2050C; apply
new conventions for glyph granularity.