source file of the GNU LilyPond music typesetter
- (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#ifndef BOOK_HH
#include "lily-proto.hh"
#include "std-vector.hh"
-#include "object-key.hh"
#include "std-string.hh"
#include "virtual-methods.hh"
+#include "smobs.hh"
class Book
{