New file.

diff --git a/lily/include/spacing-interface.hh b/lily/include/spacing-interface.hh
new file mode 100644 (file)
index 0000000..8b6abb6
--- /dev/null
+++ b/lily/include/spacing-interface.hh
@@ -0,0 +1,13 @@
+/*   
+  spacing-interface.hh -- declare Spacing_interface
+  
+  source file of the GNU LilyPond music typesetter
+  
+  (c) 2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  
+ */
+
+struct Spacing_interface {
+  static bool has_interface (Grob*);
+};
+