#include <math.h>
-#include < libc - extension.hh>
-
-#include "warn.hh"
+#include "group-interface.hh"
+#include "libc-extension.hh"
+#include "paper-column.hh"
#include "paper-column.hh"
#include "paper-score.hh"
#include "stencil.hh"
-#include "paper-column.hh"
#include "system.hh"
-#include "group-interface.hh"
+#include "warn.hh"
Grob *
Spanner::clone (int count) const