patch::: 1.3.108.jcn5

[lilypond.git] / lily / align-note-column-engraver.cc

diff --git a/lily/align-note-column-engraver.cc b/lily/align-note-column-engraver.cc
index 3c935ebb41968fe6ac84c08586627b0e453c3581..23a93a17bd16e3f4febccf31c7a947fbace6fe7d 100644 (file)
--- a/lily/align-note-column-engraver.cc
+++ b/lily/align-note-column-engraver.cc
@@ -58,6 +58,12 @@ Align_note_column_engraver::do_creation_processing ()
 void
 Align_note_column_engraver::do_removal_processing ()
 {
+  if (!align_item_p_)
+    {
+      programming_error ("Align_note_column_engraver:: urg\n");
+      return;
+    }
+  
   SCM al = get_property ("graceAlignPosition");
   if (isdir_b (al))
     {