Run grand-replace (issue 3765)

[lilypond.git] / lily / instrument-switch-engraver.cc

diff --git a/lily/instrument-switch-engraver.cc b/lily/instrument-switch-engraver.cc
index 589bb051452acf1aef8da687e45fd0902525de66..f0c6e6aec61515925322d8b39eb4849225213191 100644 (file)
--- a/lily/instrument-switch-engraver.cc
+++ b/lily/instrument-switch-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2006--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
+  Copyright (C) 2006--2014 Han-Wen Nienhuys <hanwen@lilypond.org>
 
 
   LilyPond is free software: you can redistribute it and/or modify
@@ -21,8 +21,8 @@
 #include "engraver.hh"
 #include "item.hh"
 #include "text-interface.hh"
-#include "translator.icc"
 
+#include "translator.icc"
 
 class Instrument_switch_engraver : public Engraver
 {
@@ -34,8 +34,15 @@ protected:
 
   void stop_translation_time_step ();
   void process_music ();
+
+  virtual void derived_mark () const;
 };
 
+void
+Instrument_switch_engraver::derived_mark () const
+{
+  scm_gc_mark (cue_name_);
+}
 
 Instrument_switch_engraver::Instrument_switch_engraver ()
 {
@@ -50,7 +57,7 @@ void
 Instrument_switch_engraver::process_music ()
 {
   SCM cue_text = get_property ("instrumentCueName");
-  
+
   if (!scm_is_eq (cue_name_, cue_text))
     {
       if (Text_interface::is_markup (cue_text))
@@ -69,15 +76,15 @@ Instrument_switch_engraver::stop_translation_time_step ()
 }
 
 ADD_TRANSLATOR (Instrument_switch_engraver,
-               /* doc */
-               "Create a cue text for taking instrument.",
-                       
-               /* create */
-               "InstrumentSwitch ",
-
-               /* read */
-               "instrumentCueName ",
-                       
-               /* write */
-               ""
-               );
+                /* doc */
+                "Create a cue text for taking instrument.",
+
+                /* create */
+                "InstrumentSwitch ",
+
+                /* read */
+                "instrumentCueName ",
+
+                /* write */
+                ""
+               );