X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fchange-iterator.hh;h=1ba16c09071916727300214f903ffbb6d83ea6e5;hb=4051d4410364b9984faa181659a3bfe2763a9736;hp=c05d4c3e30c79b888733a682e451936c0243cbb5;hpb=bc95f4434f760d41191341ab4508b2064eb19025;p=lilypond.git

diff --git a/lily/include/change-iterator.hh b/lily/include/change-iterator.hh
index c05d4c3e30..1ba16c0907 100644
--- a/lily/include/change-iterator.hh
+++ b/lily/include/change-iterator.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -28,10 +28,14 @@ public:
   /* constructor is public */
   virtual void process (Moment);
   DECLARE_SCHEME_CALLBACK (constructor, ());
-  DECLARE_CLASSNAME(Change_iterator);
+  DECLARE_CLASSNAME (Change_iterator);
+
+  // returns an error message (empty on success)
+  static string change_to (Music_iterator &it,
+                           SCM to_type, const string &to_id);
 
 private:
-  void error (string);
+  void error (const string&);
 };
 
 #endif