Fix escaping of non-ASCII characters.
diff --git a/Lib/test/test_pep263.py b/Lib/test/test_pep263.py
index b1ffc03..7cc5526 100644
--- a/Lib/test/test_pep263.py
+++ b/Lib/test/test_pep263.py
@@ -1,2 +1,3 @@
 #! -*- coding: koi8-r -*-
 assert u"ðÉÔÏÎ".encode("utf-8") == '\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd'
+assert u"\ð".encode("utf-8") == '\\\xd0\x9f'