Hi. Sorry about the delay. It looks like your problem is caused by this line
IndexNames { index.php }
My guess is that there is a file index.php in /home/dave/wordpress.
Now, if you retrieve http://weller-fahy.com/nonexisting,
then that index.php will be executed with PATH_INFO set to /nonexisting.
This is a feature. You can turn this off by adding
PathInfo off
somewhere inside a control block.
HTH
Cheers
Michiel
