1\header { 2 3 texidoc = "The vertical positions of ledger lines may be customised 4by setting the @code{ledger-positions} property of the StaffSymbol. 5The given pattern is repeated. Bracketed groups are always shown together: 6either all or none are shown. Ledger lines can be set to appear sooner or 7later by setting the @code{ledger-extra} property." 8} 9 10\version "2.19.21" 11 12\new Staff \relative { 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 16 g,4 c e b' c'' e g 17} 18