--- a/absyntax_utils/search_var_instance_decl.hh	Sat May 07 21:17:49 2016 +0100
+++ b/absyntax_utils/search_var_instance_decl.hh	Sun May 08 20:01:15 2016 +0100
@@ -171,6 +171,8 @@
     void *visit(input_output_declarations_c *symbol);
     /* ENO : BOOL */
     void *visit(eno_param_declaration_c *symbol);
+    /* EN : BOOL */
+    void *visit(en_param_declaration_c *symbol);
     /* VAR [CONSTANT] var_init_decl_list END_VAR */
     /* option -> may be NULL ! */
     /* helper symbol for input_declarations */