Expose nl_langinfo through locale where available.
diff --git a/Lib/encodings/aliases.py b/Lib/encodings/aliases.py
index fd9b3bd..c3c49b4 100644
--- a/Lib/encodings/aliases.py
+++ b/Lib/encodings/aliases.py
@@ -31,6 +31,8 @@
 
     # ASCII
     'us_ascii': 'ascii',
+    'ansi_x3.4_1968': 'ascii', # used on Linux
+    '646': 'ascii',            # used on Solaris
 
     # EBCDIC
     'ebcdic_cp_us': 'cp037',