new file mode 100644
--- /dev/null
+++ b/markup/tests/output.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2006 Edgewall Software
+# All rights reserved.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at http://trac.edgewall.com/license.html.
+#
+# This software consists of voluntary contributions made by many
+# individuals. For the exact contribution history, see the revision
+# history and logs, available at http://projects.edgewall.com/trac/.
+
+import doctest
+import unittest
+import sys
+
+from markup import output
+
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(doctest.DocTestSuite(output))
+    return suite
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='suite')