Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 27020)
+++ trunk/ippTasks/diff.pro	(revision 27021)
@@ -192,13 +192,15 @@
     # $WORKDIR = $WORKDIR_TEMPLATE
 
+    if (($DIFF_MODE == 1)||("$DIFF_MODE" == "NULL")) 
+	$DIFF_TAG = ""
+    end
     if ($DIFF_MODE == 2)
 	$DIFF_TAG = "WS."
-    else if ($DIFF_MODE == 3)
+    end 
+    if ($DIFF_MODE == 3)
 	$DIFF_TAG = "SW."
-    else if ($DIFF_MODE == 4)
+    end
+    if ($DIFF_MODE == 4)
 	$DIFF_TAG = "SS."
-    else 
-# if (($DIFF_MODE == 1)||("$DIFF_MODE" == "NULL")) 
-	$DIFF_TAG = ""
     end