--- a/absyntax_utils/decompose_var_instance_name.hh	Tue Dec 15 16:29:44 2009 +0100
+++ b/absyntax_utils/decompose_var_instance_name.hh	Tue Dec 15 20:50:30 2009 +0100
@@ -53,7 +53,7 @@
   public:
     decompose_var_instance_name_c(symbol_c *variable_instance_name);
 
-    symbol_c *next_part(void);
+    symbol_c *next_part(bool increment = true);
 
   private:
   /*************************/