diff -r 9468b094ae2b -r 649dc51c26b6 Lib/idlelib/EditorWindow.py
--- a/Lib/idlelib/EditorWindow.py	Fri Oct 14 10:30:24 2011 -0500
+++ b/Lib/idlelib/EditorWindow.py	Fri Oct 14 10:31:44 2011 -0500
@@ -114,14 +114,15 @@
         self.menubar = Menu(root)
         self.top = top = WindowList.ListedToplevel(root, menu=self.menubar)
         if flist:
-            self.tkinter_vars = flist.vars
             #self.top.instance_dict makes flist.inversedict available to
             #configDialog.py so it can access all EditorWindow instances
             self.top.instance_dict = flist.inversedict
         else:
-            self.tkinter_vars = {}  # keys: Tkinter event names
-                                    # values: Tkinter variable instances
             self.top.instance_dict = {}
+        
+        self.tkinter_vars = {}  # keys: Tkinter event names
+                                # values: Tkinter variable instances
+
         self.recent_files_path = os.path.join(idleConf.GetUserCfgDir(),
                 'recent-files.lst')
         self.text_frame = text_frame = Frame(top)