X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-smob.cc;h=853546a8868d547d5836e76514a40908abf43bbe;hb=bfc7fdae57842d561568d1516337ce60e9aa8be0;hp=44c16e149fe9b478f55ad39615073718eae03da8;hpb=aa16b015cdec74f99b31aceb12ff4b33443b38a0;p=lilypond.git

diff --git a/lily/grob-smob.cc b/lily/grob-smob.cc
index 44c16e149f..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"
 
@@ -19,6 +31,8 @@ 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_);