Add yet another alias for ASCII found in the field. Will backport to

gvanrossum · gvanrossum · commit b7a88e533da6 · 2002-09-25T16:44:34.000Z
2.2.2.
diff --git a/Lib/encodings/aliases.py b/Lib/encodings/aliases.py
@@ -27,6 +27,7 @@
     '646'                : 'ascii',
     'ansi_x3.4_1968'     : 'ascii',
     'ansi_x3.4_1986'     : 'ascii',
+    'ansi-x3-4-1968'     : 'ascii',
     'cp367'              : 'ascii',
     'csascii'            : 'ascii',
     'ibm367'             : 'ascii',
