3 texidoc = "The vertical positions of ledger lines may be customised
4 by setting the @code{ledger-positions} property of the StaffSymbol.
5 The given pattern is repeated. Bracketed groups are always shown together:
6 either all or none are shown. Ledger lines can be set to appear sooner or
7 later by setting the @code{ledger-extra} property."
12 \new Staff \relative c' {
13 \override Staff.StaffSymbol #'line-positions = #'(-5 -2 -1 2 5 6)
14 \override Staff.StaffSymbol #'ledger-positions = #'(-5 (-2 -1) 2)
15 \override Staff.StaffSymbol #'ledger-extra = #1