--- a/stage4/stage4.hh	Fri Apr 15 09:45:27 2011 +0100
+++ b/stage4/stage4.hh	Tue Apr 19 09:36:59 2011 +0100
@@ -48,7 +48,9 @@
     stage4out_c(std::string indent_level = "  ");
     stage4out_c(const char *dir, const char *radix, const char *extension, std::string indent_level = "  ");
     ~stage4out_c(void);
-
+    
+    void flush(void);
+    
     void enable_output(void);
     void disable_output(void);