Merged revisions 77209,77229,77359-77360,77371 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r77209 | georg.brandl | 2010-01-01 07:07:05 -0600 (Fri, 01 Jan 2010) | 1 line

  More yearly updates.
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  r77229 | georg.brandl | 2010-01-02 06:35:01 -0600 (Sat, 02 Jan 2010) | 1 line

  Fix casing.
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  r77359 | georg.brandl | 2010-01-07 14:54:45 -0600 (Thu, 07 Jan 2010) | 1 line

  Fix description for Py_GetPath(); it sounded like it always returned sys.path.
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  r77360 | georg.brandl | 2010-01-07 15:48:47 -0600 (Thu, 07 Jan 2010) | 1 line

  #7653: clarify how the PythonPath registry key should look like.
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  r77371 | senthil.kumaran | 2010-01-08 13:20:25 -0600 (Fri, 08 Jan 2010) | 3 lines

  Fix for Issue7026. For the Error - RuntimeError: dictionary changed size during iteration
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diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
index cae3619..ad0c100 100644
--- a/Lib/test/test_urllib.py
+++ b/Lib/test/test_urllib.py
@@ -119,6 +119,10 @@
     def setUp(self):
         # Records changes to env vars
         self.env = support.EnvironmentVarGuard()
+        # Delete all proxy related env vars
+        for k in os.environ.keys():
+            if 'proxy' in k.lower():
+                self.env.unset(k)
 
     def tearDown(self):
         # Restore all proxy related env vars