nad0027     OS X IDLE has two Preferences menus on 2.6.x with Tk > 8.4.7

 Analysis   idlelib/macosxSupport.py in 2.6.1 & 2.6.2 is missing a couple
            of key fixes for running with newer versions of Tk.

 Solution   Backport from trunk (Issue6100/r72946)/

 Applies    2.6

diff -r fdcbd05c5067 Lib/idlelib/macosxSupport.py
--- Lib/idlelib/macosxSupport.py	Sat Sep 19 18:47:59 2009 -0700
+++ Lib/idlelib/macosxSupport.py	Sun Sep 20 00:47:06 2009 -0700
@@ -82,6 +82,7 @@
 
     def config_dialog(event=None):
         import configDialog
+        root.instance_dict = flist.inversedict
         configDialog.ConfigDialog(root, 'Settings')
 
 
@@ -95,7 +96,7 @@
     tkversion = root.tk.eval('info patchlevel')
     # Note: we cannot check if the string tkversion >= '8.4.14', because
     # the string '8.4.7' is greater than the string '8.4.14'.
-    if map(int, tkversion.split('.')) >= (8, 4, 14):
+    if tuple(map(int, tkversion.split('.'))) >= (8, 4, 14):
         Bindings.menudefs[0] =  ('application', [
                 ('About IDLE', '<<about-idle>>'),
                 None,