Test whether a Cyrillic text correctly appears in a Unicode literal.
diff --git a/Lib/test/test_pep263.py b/Lib/test/test_pep263.py
new file mode 100644
index 0000000..b1ffc03
--- /dev/null
+++ b/Lib/test/test_pep263.py
@@ -0,0 +1,2 @@
+#! -*- coding: koi8-r -*-
+assert u"ðÉÔÏÎ".encode("utf-8") == '\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd'