Codec lookup fails for bad codec name, blowing up BeautifulSoup

[Waldemar Osuch]

>
> This is a known bug. It's in the old tracker on SourceForge:
>         [ python-Bugs-960874 ] codecs.lookup can raise exceptions other
>         than LookupError
> but not in the new tracker.

The new tracker has it too.
http://bugs.python.org/issue960874

>
>         The "resolution" back in 2004 was "Won't Fix", without a change
> to the documentation.  Grrr.
>