later by setting the @code{ledger-extra} property."
}
-\version "2.17.6"
+\version "2.19.21"
-\new Staff \relative c' {
+\new Staff \relative {
\override Staff.StaffSymbol.line-positions = #'(-5 -2 -1 2 5 6)
\override Staff.StaffSymbol.ledger-positions = #'(-5 (-2 -1) 2)
\override Staff.StaffSymbol.ledger-extra = #1