--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- sample/test/TestRange.cs
+++ sample/test/TestRange.cs
@@ -9,6 +9,8 @@ 
 using System;
 
 using Gtk;
+// disambiguate, Gtk.Range vs System.Range
+using Range=Gtk.Range;
 
 namespace WidgetViewer {