Bug #1245379: Add "unicode-1-1-utf-7" as an alias for "utf-7" as specified
by RFC 1642.
diff --git a/Lib/encodings/aliases.py b/Lib/encodings/aliases.py
index bf7643e..7362e78 100644
--- a/Lib/encodings/aliases.py
+++ b/Lib/encodings/aliases.py
@@ -482,6 +482,7 @@
     # utf_7 codec
     'u7'                 : 'utf_7',
     'utf7'               : 'utf_7',
+    'unicode_1_1_utf_7'  : 'utf_7',
 
     # utf_8 codec
     'u8'                 : 'utf_8',