Don't crash on a pending spanner in Staff_symbol_engraver dtor.

[lilypond.git] / lily / balloon-engraver.cc

diff --git a/lily/balloon-engraver.cc b/lily/balloon-engraver.cc
index 328b4736ce2ecae8bc40d344653ee9d5ff31d26a..95e807339fe6de4a80a13b709c11a3b78bdc297c 100644 (file)
--- a/lily/balloon-engraver.cc
+++ b/lily/balloon-engraver.cc
@@ -1,10 +1,20 @@
-/* 
-  balloon-engraver.cc -- implement Balloon_engraver
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2006--2008 Han-Wen Nienhuys <hanwen@lilypond.org>
-  
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
+
+  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 "engraver.hh"