+\version "2.14.0"
+
+\header{
+texidoc="
+
+If the @code{Note_heads_engraver} is replaced by the @code{Completion_heads_engraver},
+notes with a duration factor still keep their requested appearance.
+
+"
+}
+
+#(set-paper-size "a6")
+
+\layout { ragged-right= ##t }
+
+
+\new Voice \with {
+ \remove "Note_heads_engraver"
+ \consists "Completion_heads_engraver"
+} \relative c'{
+
+ c\breve |
+ c1*2 |
+ c2*4 |
+ c8*20
+}