diff -r e5d963cb6afc Lib/turtle.py
--- a/Lib/turtle.py	Sat May 24 00:32:29 2014 +0200
+++ b/Lib/turtle.py	Tue May 27 20:15:37 2014 -0700
@@ -3753,7 +3753,7 @@
             Turtle._screen = None
             _Screen._root = None
             _Screen._canvas = None
-        TurtleScreen._RUNNING = True
+        TurtleScreen._RUNNING = False
         root.destroy()
 
     def bye(self):
@@ -3967,8 +3967,12 @@
     if pl1 == "":
         print(">>>>>>", pl1, pl2)
         continue
-    defstr = ("def %(key)s%(pl1)s: return _getpen().%(key)s%(pl2)s" %
-                                   {'key':methodname, 'pl1':pl1, 'pl2':pl2})
+    defstr = (
+        """def %(key)s%(pl1)s: 
+            try:
+                return _getpen().%(key)s%(pl2)s 
+            except Terminator:
+                return None""" % {'key':methodname, 'pl1':pl1, 'pl2':pl2})
     exec(defstr)
     eval(methodname).__doc__ = _turtle_docrevise(eval('Turtle.'+methodname).__doc__)