Index: Lib/shlex.py
===================================================================
--- Lib/shlex.py	(revision 83187)
+++ Lib/shlex.py	(working copy)
@@ -32,11 +32,6 @@
         else:
             self.eof = ''
         self.commenters = '#'
-        self.wordchars = ('abcdfeghijklmnopqrstuvwxyz'
-                          'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_')
-        if self.posix:
-            self.wordchars += ('ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ'
-                               'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ')
         self.whitespace = ' \t\r\n'
         self.whitespace_split = False
         self.quotes = '\'"'
@@ -53,6 +48,12 @@
             print('shlex: reading from %s, line %d' \
                   % (self.instream, self.lineno))
 
+    def iswordchar(self, ch):
+        result = ch.isalnum() or ch == '_'
+        if not self.posix:
+            result = result and ord(ch) < 128
+        return result
+
     def push_token(self, tok):
         "Push a token onto the stack popped by the get_token method"
         if self.debug >= 1:
@@ -144,7 +145,7 @@
                 elif self.posix and nextchar in self.escape:
                     escapedstate = 'a'
                     self.state = nextchar
-                elif nextchar in self.wordchars:
+                elif self.iswordchar(nextchar):
                     self.token = nextchar
                     self.state = 'a'
                 elif nextchar in self.quotes:
@@ -219,8 +220,8 @@
                 elif self.posix and nextchar in self.escape:
                     escapedstate = 'a'
                     self.state = nextchar
-                elif nextchar in self.wordchars or nextchar in self.quotes \
-                    or self.whitespace_split:
+                elif (self.iswordchar(nextchar) or nextchar in self.quotes
+                      or self.whitespace_split):
                     self.token = self.token + nextchar
                 else:
                     self.pushback.appendleft(nextchar)