when serializing elementtrees with weird namespaces like {$stuff}, the
generated xml is not valid:
Python 2.5.1 (r251:54863, Mar 7 2008, 04:10:12)
[GCC 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)] on linux2
IDLE 1.2.1 ==== No Subprocess ====
>>> from xml.etree import ElementTree as et
>>> e = et.fromstring('<prefix:localname xmlns:prefix="${stuff}"/>')
>>> e.tag
'{${stuff}}localname'
>>> t = et.ElementTree(e)
>>> from StringIO import StringIO
>>> f = StringIO()
>>> t.write(f)
>>> f.seek(0)
>>> print f.read()
<ns0:}localname xmlns:ns0="${stuff" />