I'm sorry, but if you accidently voted for
Buchanan, you don't have walking around sense. The ballot
had arrows and numbers. It made no sense to vote for
Gore given how misaligned his name was to Buchanan's
hole.
In any regard, it can't be proven how
many people accidently voted for Buchanan, and since
it wasn't fraud, it's not legally challengeable. The
worse they can do is throw them out, and that doesn't
help Gore.