zero sized exports when using categorized pages

trying to export to tiddlywiki i get: Traceback (most recent call last):

File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 387, in dispatch_request

dispatcher.dispatch(req)

File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 238, in dispatch

resp = chosen_handler.process_request(req)

File "build/bdist.linux-i686/egg/webadmin/web_ui.py", line 109, in process_request File "build/bdist.linux-i686/egg/combinewiki/web_ui.py", line 58, in process_admin_request File "build/bdist.linux-i686/egg/combinewiki/formats.py", line 143, in process_combinewiki File "/usr/lib/python2.4/site-packages/trac/web/api.py", line 358, in display

data = self.hdf.render(template, form_token)

File "/usr/lib/python2.4/site-packages/trac/web/clearsilver.py", line 296, in render

injector.feed(template.render())

File "/usr/lib/python2.4/HTMLParser.py", line 108, in feed

self.goahead(0)

File "/usr/lib/python2.4/HTMLParser.py", line 148, in goahead

k = self.parse_starttag(i)

File "/usr/lib/python2.4/HTMLParser.py", line 226, in parse_starttag

endpos = self.check_for_whole_start_tag(i)

File "/usr/lib/python2.4/HTMLParser.py", line 301, in check_for_whole_start_tag

self.error("malformed start tag")

File "/usr/lib/python2.4/HTMLParser.py", line 115, in error

raise HTMLParseError(message, self.getpos())

HTMLParseError: malformed start tag, at line 499, column 81