texidoc = "Some composers use slurs both above and below chords.
This can be typeset by setting @code{doubleSlurs}"
}
-\version "2.7.39"
+\version "2.14.0"
\layout { ragged-right = ##t }
-\relative {
+\relative c' {
\set doubleSlurs = ##t
<c e>4 ( <d f> <c e> <d f> )
}