lilypond-1.5.14

diff --git a/lily/engraver-group-engraver.cc b/lily/engraver-group-engraver.cc
index 56fe566fcaec3bf68cf2073b387b4c54630d6ad1..8dd6e1a4ce9a05d1f5d69d4eeedaed85418d0800 100644 (file)
--- 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;
        }