(U-0002007E): Use `ideographic-{radical|strokes}@{ucs|daikanwa}'

(U-0002007E): Use `ideographic-{radical|strokes}@{ucs|daikanwa}'
instead of `ideographic-'; use `hanyu-dazidian' instead of
`hanyu-dazidian-{vol|page|char}'.
(C6-3D59): Use `<-vulgar*sources' instead of char-ref in `<-vulgar';
moved into U-0002F831; add `<-denotational' for U+537F.
(U+537F): Separate all CCS features.
(G0-4764): Separate U+537F; use `<-vulgar*sources' instead of char-ref
in `<-vulgar'; add `<-denotational' for U+537F.
(C6-3D5A): Unify U-0002F832; use `<-vulgar*sources' instead of
char-ref in `<-vulgar'; add `<-denotational' for U+537F.
(U-0002F833): Add `<-denotational' for U+537F.
(J78-362A): Likewise.