@lilypondfile[ragged-right,quote]{bar-lines.ly}
+In addition, you can specify @code{"||:"}, which is equivalent to
+@code{"|:"} except at line breaks, where it gives a double bar line at
+the end of the line and a start repeat at the beginning of the next
+line.
+
To allow a line break where there is no visible bar line, use
@example