Remove the None tag from tagdefs dict for now, appears inoperative and

causes a _tkinter error in py3k.

Lib/idlelib/PyShell.py

@@ -296,7 +296,9 @@ class ModifiedColorDelegator(ColorDelegator):
             "stdout": idleConf.GetHighlight(theme, "stdout"),
             "stderr": idleConf.GetHighlight(theme, "stderr"),
             "console": idleConf.GetHighlight(theme, "console"),
-            None: idleConf.GetHighlight(theme, "normal"),
+            ### KBK 10Aug07: None tag doesn't seem to serve a purpose and
+            ### breaks in py3k.  Comment out for now.
+            #None: idleConf.GetHighlight(theme, "normal"),
         })
 
 class ModifiedUndoDelegator(UndoDelegator):