Index: C:/xampp/htdocs/wordpress_trunk/wp-includes/comment-template.php
===================================================================
--- C:/xampp/htdocs/wordpress_trunk/wp-includes/comment-template.php	(revision 10492)
+++ C:/xampp/htdocs/wordpress_trunk/wp-includes/comment-template.php	(working copy)
@@ -1285,7 +1285,7 @@
 	$comment_depth = 1;
 
 	$defaults = array('walker' => null, 'max_depth' => '', 'style' => 'ul', 'callback' => null, 'end-callback' => null, 'type' => 'all',
-		'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null, 'reverse_children' => '');
+		'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null );
 
 	$r = wp_parse_args( $args, $defaults );
 
Index: C:/xampp/htdocs/wordpress_trunk/wp-includes/classes.php
===================================================================
--- C:/xampp/htdocs/wordpress_trunk/wp-includes/classes.php	(revision 10492)
+++ C:/xampp/htdocs/wordpress_trunk/wp-includes/classes.php	(working copy)
@@ -952,7 +952,7 @@
  	 *
  	 * @package WordPress
  	 * @since 2.7
- 	 * @param $max_depth = 0  means display all levels; $max_depth > 0  specifies the number of display levels.
+ 	 * @param $max_depth = -1 means flat display; $max_depth = 0  means display all levels; $max_depth > 0  specifies the number of display levels.
  	 * @param $page_num the specific page number, beginning with 1.
  	 * @return XHTML of the specified page of elements
  	 */
@@ -1028,12 +1028,12 @@
 			$end = $total_top;
 
 		if ( !empty($args[0]['reverse_top_level']) ) {
+			
 			$top_level_elements = array_reverse( $top_level_elements );
 			$oldstart = $start;
 			$start = $total_top - $end;
 			$end = $total_top - $oldstart;
-		}
-		if ( !empty($args[0]['reverse_children']) ) {
+			
 			foreach ( $children_elements as $parent => $children )
 				$children_elements[$parent] = array_reverse( $children );
 		}