Freevo - Home Theatre PC Platform

My sidux (debian/sid) system uses utf-8 as default encoding.
On /help/plugins.rpy I clicked on /help/plugins.rpy?type=global#udpremote
and got this exception:

Traceback (most recent call last):
File "/usr/lib/python2.5/site-packages/twisted/protocols/basic.py", line
231, in dataReceived
why = self.lineReceived(line)
File "/usr/lib/python2.5/site-packages/twisted/web/http.py", line 1067,
in lineReceived
self.allContentReceived()
File "/usr/lib/python2.5/site-packages/twisted/web/http.py", line 1108,
in allContentReceived
req.requestReceived(command, path, version)
File "/usr/lib/python2.5/site-packages/twisted/web/http.py", line 626, in
requestReceived
self.process()
--- <exception caught here> ---
File "/usr/lib/python2.5/site-packages/twisted/web/server.py", line 150,
in process
self.render(resrc)
File "/usr/lib/python2.5/site-packages/twisted/web/server.py", line 157,
in render
body = resrc.render(self)
File "/usr/lib/python2.5/site-packages/freevo/www/web_types.py", line 99,
in render
return self._render(request)
File "/usr/share/freevo/htdocs/help/plugins.rpy", line 88, in _render
fv.res += html_info(p[0], [p])
exceptions.UnicodeDecodeError: 'utf8' codec can't decode bytes in position
571-573: invalid data