From http://meta.wikipedia.com/wiki.phtml, the link for reporting bugs

goes to a page gets hooked up in some redirect loop, http://wikipedia.sourceforge.net/fpw/wiki.phtml?title=wikipedia%3ABugs

The displayed text says:

You are being redirected to wikipedia.com Warning: Cannot add header information - headers already sent by (output started at /home/groups/w/wi/wikipedia/htdocs/fpw/wiki.phtml:5) in /home/groups/w/wi/wikipedia/htdocs/fpw/wiki.phtml on line 81