(U+4ED1): Apply new conventions for glyph granularity.

(U+4ED1): Apply new conventions for glyph granularity.
(U-0002020C): Add `sound@ja/on'; add `<-ancient' for CU+865E.
(U+3474): Use A-U+20B36-itaiji-001 instead of "⿱帚又".
(U-000202EF): Apply new conventions for glyph granularity.
(U-0002033B): Likewise.
(U-0002036E): Likewise.
(U-00020373): Likewise.
(U+20373-var-002): New character; use `<-denotational' for U-00020373.
(U+3482): Apply new conventions for glyph granularity.
(U+34A8): Likewise.
(U-00020457): Add `<-denotational' for U+34A8; apply new conventions
for glyph granularity.
(IU+20457): Unify UU+34A8 and CB13356.
(MJ056959): New character; use `<-denotational' for U-00020457; unify
HD-KS015160.