(U-00025D9B): Use `ideographic-strokes@cns' and `total-strokes@cns'

(U-00025D9B): Use `ideographic-strokes@cns' and `total-strokes@cns'
instead of `ideographic-strokes' and `total-strokes'; add
`ideographic-strokes@ucs' and `total-strokes@ucs'.
(U-00025D74): Unify M-26726'; add `<-same' and `<-formed' for M-26521.
(U-00025DC3): Integrate M-26727'.
(U-00025DA1): New character.
(U-00025DBD): Use `->denotational' to separate representative nodes.
(U+426F): Use `->subsumptive' to separate representative nodes; use
`ideographic-strokes@cns' and `total-strokes@cns' instead of
`ideographic-strokes' and `total-strokes'; add
`ideographic-strokes@ucs' and `total-strokes@ucs'.