Index: tol/btol/serie_type/tsrgra.cpp
===================================================================
--- tol/btol/serie_type/tsrgra.cpp	(revision aa0057ae6e76ad88e5eefb98d22feb534b91185d)
+++ tol/btol/serie_type/tsrgra.cpp	(revision a91ceaea8272dd4e335254c679be93cc2806b2a5)
@@ -188,5 +188,5 @@
 //BTsrIdentity is the unary + operator. Now the renamed time serie 
 //is saved from changes in new created one
-  d = new BTsrIdentity(NCons(d));
+//d = new BTsrIdentity(NCons(d));
 
 //This is the original behaviour