only complain of note-less arpeggios for non-transparent arpeggios

diff --git a/lily/arpeggio.cc b/lily/arpeggio.cc
index c3ed8a3939c0ad0da5326867a863a6ef7cb7d0a6..dcae1c566f365f8a9ef4b78acabb8972d850886f 100644 (file)
--- a/lily/arpeggio.cc
+++ b/lily/arpeggio.cc
@@ -57,8 +57,11 @@ Arpeggio::print (SCM smob)
 
   if (heads.is_empty () || heads.length () < 0.5)
     {
-      programming_error ("no heads for arpeggio found?");
-      me->suicide ();
+      if (!to_boolean (me->get_property ("transparent")))
+       {
+         me->warning ("no heads for arpeggio found?");
+         me->suicide ();
+       }
       return SCM_EOL;
     }