--- a/stage3/print_datatypes_error.hh	Sun Feb 05 19:09:12 2012 +0000
+++ b/stage3/print_datatypes_error.hh	Mon Feb 06 14:10:22 2012 +0000
@@ -38,6 +38,11 @@
 class print_datatypes_error_c: public iterator_visitor_c {
 
   private:
+    /* The level of detail that the user wants us to display error messages. */
+    #define error_level_default (1)
+    #define error_level_nagging (4)
+    unsigned int current_display_error_level;
+    
     search_varfb_instance_type_c *search_varfb_instance_type;
     search_base_type_c search_base_type;
     /* When calling a function block, we must first find it's type,