Bug #1245379: Add "unicode-1-1-utf-7" as an alias for "utf-7" as specified

by RFC 1642.

Doc/lib/libcodecs.tex

@@ -883,7 +883,7 @@ exist:
         {all languages (BMP only)}
 
 \lineiii{utf_7}
-        {U7}
+        {U7, unicode-1-1-utf-7}
         {all languages}
 
 \lineiii{utf_8}

Lib/encodings/aliases.py

@@ -482,6 +482,7 @@ aliases = {
     # utf_7 codec
     'u7'                 : 'utf_7',
     'utf7'               : 'utf_7',
+    'unicode_1_1_utf_7'  : 'utf_7',
 
     # utf_8 codec
     'u8'                 : 'utf_8',

Misc/NEWS

@@ -517,6 +517,8 @@ Library
 - Bug #1202493: Fixing SRE parser to handle '{}' as perl does, rather than
   considering it exactly like a '*'.
 
+- Bug #1245379: Add "unicode-1-1-utf-7" as an alias for "utf-7" to
+  ``encodings.aliases``.
 
 Build
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