From 853021caeca19ccedd5fb2c373cc3e79d9c40ba3 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Wed, 27 Mar 2002 02:03:10 +0000
Subject: [PATCH] lilypond-1.5.14

---
 lily/engraver-group-engraver.cc | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lily/engraver-group-engraver.cc b/lily/engraver-group-engraver.cc
index 56fe566fca..8dd6e1a4ce 100644
--- a/lily/engraver-group-engraver.cc
+++ b/lily/engraver-group-engraver.cc
@@ -56,7 +56,15 @@ Engraver_group_engraver::acknowledge_grobs ()
 	nm = ly_cdr (nm);
       else
 	{
-	  assert (info.grob_l_->immutable_property_alist_ == SCM_EOL); 
+	  /*
+	    it's tempting to put an assert for
+	    immutable_property_alist_ == '(), but in fact, some
+	    engravers (clef-engraver) add some more information to the
+	    immutable_property_alist_ (after it has been '()-ed).
+
+	    We ignore the grob anyway. He who has no name, shall not
+	    be helped.  */
+	  
 	  continue;
 	}
  
-- 
2.39.5