Index: tol/btol/bgrammar/tol_boper.h
===================================================================
--- tol/btol/bgrammar/tol_boper.h	(revision c59380da99ee39e831faeb3557ad6e9966a1a16f)
+++ tol/btol/bgrammar/tol_boper.h	(revision 2476be77b8a22c1e24c9af2e4bf66e1dcb13fc6f)
@@ -401,5 +401,6 @@
     static void AddActiveFunction(BUserFunction* uFunction);
     static void RemoveActiveFunction();
-	
+	  static void ShowCallStack();
+
     BInt Mode() const { return BUSERFUNMODE; };