Issue 5167/6: Changes: show \markup xxx = ... \etc assignments

[lilypond.git] / lily / all-font-metrics-scheme.cc

diff --git a/lily/all-font-metrics-scheme.cc b/lily/all-font-metrics-scheme.cc
index 354a2b10d85a8e11130b785b2f30c3db2dc92a50..b29ea4bf4bfc48c885b72d7f7aefff50901752e6 100644 (file)
--- a/lily/all-font-metrics-scheme.cc
+++ b/lily/all-font-metrics-scheme.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2007--2014 Han-Wen Nienhuys <hanwen@lilypond.org>
+  Copyright (C) 2007--2015 Han-Wen Nienhuys <hanwen@lilypond.org>
 
 
   LilyPond is free software: you can redistribute it and/or modify
@@ -20,13 +20,17 @@
 
 #include "all-font-metrics.hh"
 #include "main.hh"
+#include "protected-scm.hh"
+
+All_font_metrics *all_fonts_global = 0;
+Protected_scm all_fonts_global_scm;
 
 LY_DEFINE (ly_reset_all_fonts, "ly:reset-all-fonts", 0, 0, 0,
            (),
            "Forget all about previously loaded fonts.")
 {
-  delete all_fonts_global;
   all_fonts_global = new All_font_metrics (global_path.to_string ());
+  all_fonts_global_scm = all_fonts_global->unprotect ();
 
   return SCM_UNSPECIFIED;
 }