Hi, lxml 1.3.5 is on PyPI. This is a minor bug-fix release for the stable 1.3 series. Stefan 1.3.5 (2007-10-22) ================== Bugs fixed ---------- * lxml.etree could crash when adding more than 10000 namespaces to a document * lxml failed to serialise namespace declarations of elements other than the root node of a tree