-\version "2.6.0"
+\version "2.12.0"
\header {
texidoc = "Note heads in collisions should be merged if
they have the same positions in the extreme note heads.
"
}
+\layout {ragged-right = ##t}
+
\relative c'' {
c4
<< { c4 d4 <c d>8 <c d> <c d> } \\ { c4 c <a b>8 <b c> <c d>8 } >>
}
-\layout {raggedright = ##t}
+