diff --git a/wp-admin/admin-ajax.php b/wp-admin/admin-ajax.php
index 0d54c80fb..a4ba6e1dc 100644
--- a/wp-admin/admin-ajax.php
+++ b/wp-admin/admin-ajax.php
@@ -1282,9 +1282,9 @@ case 'inline-save-tax':
 						die( $tag->get_error_message() );
 					die( __('Item not updated.') );
 				}
-				
+
 				set_current_screen( 'edit-' . $taxonomy );
-				
+
 				echo _tag_row($tag, 0, $taxonomy);
 			} else {
 				if ( is_wp_error($updated) && $updated->get_error_message() )
diff --git a/wp-includes/nav-menu-template.php b/wp-includes/nav-menu-template.php
index f7a4fbf89..d2fb493b8 100644
--- a/wp-includes/nav-menu-template.php
+++ b/wp-includes/nav-menu-template.php
@@ -330,9 +330,9 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 			$classes[] = 'current-menu-item';
 			$_anc_id = (int) $menu_item->db_id;
 
-			while( 
-				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && 
-				! in_array( $_anc_id, $active_ancestor_item_ids ) 
+			while(
+				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
+				! in_array( $_anc_id, $active_ancestor_item_ids )
 			) {
 				$active_ancestor_item_ids[] = $_anc_id;
 			}
@@ -355,9 +355,9 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 				$classes[] = 'current-menu-item';
 				$_anc_id = (int) $menu_item->db_id;
 
-				while( 
-					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) && 
-					! in_array( $_anc_id, $active_ancestor_item_ids ) 
+				while(
+					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
+					! in_array( $_anc_id, $active_ancestor_item_ids )
 				) {
 					$active_ancestor_item_ids[] = $_anc_id;
 				}
diff --git a/wp-includes/wp-diff.php b/wp-includes/wp-diff.php
index 3932fc331..9e2d44740 100644
--- a/wp-includes/wp-diff.php
+++ b/wp-includes/wp-diff.php
@@ -254,7 +254,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 			else
 				$orig_line = '';
 
-			if ( isset( $final_diffs[$final_rows[$row]] ) ) 
+			if ( isset( $final_diffs[$final_rows[$row]] ) )
 				$final_line = $final_diffs[$final_rows[$row]];
 			elseif ( isset( $final[$final_rows[$row]] ) )
 				$final_line = htmlspecialchars($final[$final_rows[$row]]);