--- /dev/null
+\version "2.14.0"
+\header {
+ lsrtags = "rhythms,expressive-marks"
+ texidoc = "This code demonstrates how to use the alternative breve note
+with two vertical lines on each side of the notehead instead of one line."
+ doctitle = "Alternative breve notehead with double vertical lines"
+}
+
+\relative c'' {
+ \time 4/2
+ \override Staff.NoteHead #'style = #'altdefault
+ c\breve | b\breve
+}