(U+5C3D): Add S1-5256; add `<-simplified@CN' for U+76E1 and U+5118;

(U+5C3D): Add S1-5256; add `<-simplified@CN' for U+76E1 and U+5118;
add `<-simplified@ucs' for U+76E1.
(U+5C46): Use `->denotational'.
(U+5C4A): Add S1-1927.
(U+5C48): Add S1-1930.
(U+5C4F): Use `zhengzitong' instead of `zhengzi-tong' in
`<-vulgar*sources'.
(U+663C): Add `<-simplified@CN' for U+665D; add `<-simplified@ucs' for
U+665D.
(U+5C5E): Add `<-simplified@CN' for G1-4A74; add `<-simplified@ucs'
for U+5C6C.
(U+5C61): Add `<-simplified@ucs' for U+5C62.
(G0-4245): Add S1-1949; add `<-simplified@CN' for G1-4245.
(C3-3544): Use `total-strokes@cns' instead of `cns-total-strokes'.
(J78-3C48): Add S1-1948.