Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 15270)
+++ wp-includes/functions.php	(working copy)
@@ -1534,6 +1534,7 @@
 			205 => 'Reset Content',
 			206 => 'Partial Content',
 			207 => 'Multi-Status',
+			208 =>  'Already Reported',
 			226 => 'IM Used',
 
 			300 => 'Multiple Choices',
@@ -1542,7 +1543,6 @@
 			303 => 'See Other',
 			304 => 'Not Modified',
 			305 => 'Use Proxy',
-			306 => 'Reserved',
 			307 => 'Temporary Redirect',
 
 			400 => 'Bad Request',
@@ -1576,6 +1576,7 @@
 			505 => 'HTTP Version Not Supported',
 			506 => 'Variant Also Negotiates',
 			507 => 'Insufficient Storage',
+			508 => 'Loop Detected',
 			510 => 'Not Extended'
 		);
 	}