Calls to http://api.twitter.com/1/geo/id/7695dd2ec2f86f2b.xml return JSON, while appending any other extension (.html, .raffi, etc) return a 1 byte 403 error (0x20). Since XML isn't supported according to the wiki docs, maybe return 403 for .xml as well?
-- -ed costello @epc / +13474080372
