-\version "2.17.30"
+\version "2.19.21"
\header {
texidoc = "Span bars are drawn only between staff bar lines. By setting
bar lines to transparent, they are shown only between systems.
ragged-right =##t
}
-\relative c' \new StaffGroup <<
+\relative \new StaffGroup <<
\new Staff {
a1
\once \hide Score.BarLine