X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-smob.cc;h=853546a8868d547d5836e76514a40908abf43bbe;hb=559a79b8ff4144181431e327c175047d0c808164;hp=a37febc41d24391eb032c7602e162ad5572d3494;hpb=a276a19dc6bd57832db3107f2f2cbb04cb4677b6;p=lilypond.git

diff --git a/lily/grob-smob.cc b/lily/grob-smob.cc
index a37febc41d..853546a886 100644
--- a/lily/grob-smob.cc
+++ b/lily/grob-smob.cc
@@ -1,14 +1,26 @@
 /*
-  grob-smob.cc -- implement GROB smob routines.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "grob.hh"
 
 #include "paper-score.hh"
+#include "warn.hh"
 
 #include "ly-smobs.icc"
 
@@ -19,12 +31,11 @@ IMPLEMENT_TYPE_P (Grob, "ly:grob?");
 SCM
 Grob::mark_smob (SCM ses)
 {
+  ASSERT_LIVE_IS_ALLOWED (ses);
+
   Grob *s = (Grob *) SCM_CELL_WORD_1 (ses);
   scm_gc_mark (s->immutable_property_alist_);
 
-  if (s->key_)
-    scm_gc_mark (s->key_->self_scm ());
-
   /* Do not mark the parents.  The pointers in the mutable
      property list form two tree like structures (one for X
      relations, one for Y relations).  Marking these can be done