port to 2.7 - Issue9637 - Details that case of Proxy env var does not matter.

diff --git a/Doc/library/urllib.rst b/Doc/library/urllib.rst
index 82f1bda583b92a38c60a1715f8bcdb9f6a3894a7..1f5d9949bc286f8e1e340a84073fb3161e29a981 100644 (file)
--- a/Doc/library/urllib.rst
+++ b/Doc/library/urllib.rst
@@ -274,10 +274,10 @@ Utility functions
 .. function:: getproxies()
 
    This helper function returns a dictionary of scheme to proxy server URL
-   mappings. It scans the environment for variables named ``<scheme>_proxy``
-   for all operating systems first, and when it cannot find it, looks for proxy
-   information from Mac OSX System Configuration for Mac OS X and Windows
-   Systems Registry for Windows.
+   mappings. It scans the environment for variables named ``<scheme>_proxy``,
+   in case insensitive way, for all operating systems first, and when it cannot
+   find it, looks for proxy information from Mac OSX System Configuration for
+   Mac OS X and Windows Systems Registry for Windows.
 
 
 URL Opener objects