--- pukiwiki.ini.php	2014-07-13 13:03:56.000000000 +0900
+++ pukiwiki.ini.php	2016-02-15 05:19:02.000000000 +0900
@@ -264,7 +279,8 @@
 $read_auth = 0;
 
 $read_auth_pages = array(
-	// Regex		   Username
+	// Regex		   Groupname or Username
+	'#PageForAllValidUsers#'	=> 'valid-user',
 	'#HogeHoge#'		=> 'hoge',
 	'#(NETABARE|NetaBare)#'	=> 'foo,bar,hoge',
 );