-\version "2.2.0"
+\version "2.3.4"
\header {
texidoc = "Grace notes in different voices/staves are synchronized."
}
-\score {\notes\relative c'' << \context Staff { c2
+\score {\relative c'' << \context Staff { c2
\grace c8
c4 c4 }
\new Staff { c2 \clef bass