I'm glad I found your post Joshua - it saved me quite a bit of time!
To get this to work for me however (IE6), I had to ditch the ||= and do straight assignment:
request.format = :html if request.env['HTTP_USER_AGENT'] =~ /msie/i
Joshua Doss wrote:
Too funny, I also run into this problem this week. Only IE7 is crapping out.
I solved this problem by overwriting the access_denied method, by removing the http_basic_auth option which I don't use.