(U+7C74): Apply new conventions for glyph granularity.

(U+7C74): Apply new conventions for glyph granularity.
(UU+7C74): Unify GT-34600 and GT-K03967.
(GT-K03968): New character; use `<-subsumptive' for UU+7C74.
(GT-K04640): New character; use `<-denotational' for U+7C74.
(U-00025E44): New character.
(IU+25E44): Unify MJ044195, KOSEKI-300650 and M-26893.
(U+25E44-itaiji-001): New character; use `<-denotational' for
U-00025E44.
(U-00025E50): Move M-26893 to IU+25E44.
(U-00025E77): Apply new conventions for glyph granularity.
(U+7CB1): Add ideographic-structure.
(U-00025E7B): Apply new conventions for glyph granularity.
(U-00025F1D): Likewise.
(U+42A8): Likewise.
(U-00025F39): Likewise.
(U-00025F42): Likewise.
(U-00025F56): New character.
(U-00025F66): Apply new conventions for glyph granularity.
(U-00025F67): Likewise.
(U+25DB6-itaiji-001): New character.
(U+7CF3): Apply new conventions for glyph granularity.
(U-00025F7F): Likewise.