Note that the #1548891 fix indirectly fixes shlex (#6988, #1170)

Doc/library/shlex.rst

@@ -21,9 +21,7 @@ syntaxes resembling that of the Unix shell.  This will often be useful for
 writing minilanguages, (for example, in run control files for Python
 applications) or for parsing quoted strings.
 
-.. note::
-
-   The :mod:`shlex` module currently does not support Unicode input.
+Prior to Python 2.7.3, this module did not support Unicode input.
 
 The :mod:`shlex` module defines the following functions:
 

Misc/NEWS

@@ -68,7 +68,8 @@ Library
 
 - Issue #1548891: The cStringIO.StringIO() constructor now encodes unicode
   arguments with the system default encoding just like the write() method
-  does, instead of converting it to a raw buffer.
+  does, instead of converting it to a raw buffer.  This also fixes handling of
+  unicode input in the shlex module (#6988, #1170).
 
 - Issue #9168: now smtpd is able to bind privileged port.