-Run this script as either 'auth.fcgi' or 'unauth.fcgi', to get
-the authenticated or unauthenticated site respectively, or pass
-'auth' or 'unauth' as the first parameter.
+Serve the authenticated site with 'auth' or under 'auth.fcgi',
+and the unauthenticated site with 'unauth' or under 'unauth.fcgi'.