-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 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.