-Serve the authenticated or unauthenticated site according to
-the first argument.
-
-Helper scripts "auth.fcgi" and "unauth.fcgi" are provided to
-facilitate running the server with no arguments.
+Serve the authenticated site with 'auth' or under 'auth.fcgi',
+and the unauthenticated site with 'unauth' or under 'unauth.fcgi'.