Hello, I found a bug in Python, see details in http://bugs.python.org/issue17371. Also I believe this a bug for Python 3.3 documents. Good luck, guys. Haochen Zhao -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/docs/attachments/20130307/962b1c2a/attachment-0001.html>