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[lilypond.git] / lily / include / skyline.hh

diff --git a/lily/include/skyline.hh b/lily/include/skyline.hh
index 26830b92c954062a029fc88892576c6e5e2031c0..a11b21dde6ce27d06a3e54b177e32940da779589 100644 (file)
--- a/lily/include/skyline.hh
+++ b/lily/include/skyline.hh
@@ -1,9 +1,20 @@
 /*
-  skyline.hh -- declare Skyline class.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2006--2010 Joe Neeman <joeneeman@gmail.com>
 
-  (c) 2006--2009 Joe Neeman <joeneeman@gmail.com>
+  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/>.
 */
 
 #ifndef SKYLINE_HH
@@ -67,6 +78,7 @@ public:
   Real height (Real airplane) const;
   Real max_height () const;
   void set_minimum_height (Real height);
+  void clear ();
   bool is_empty () const;
 };