aspell error workaround

Aspell breaks its own output format due to undocumented features.
This patch worked around this error. Problems regarding freezing
of the spellchecker or jammed wiki pages through the spellchecker
are solved.

darcs-hash:20050611144306-7ef76-a2df9998b5a888e9fe121acf0c2530c33c2ef2a2.gz