Index: _source/plugins/indent/plugin.js
===================================================================
--- _source/plugins/indent/plugin.js	(revision 5987)
+++ _source/plugins/indent/plugin.js	(revision )
@@ -398,8 +398,8 @@
 				{
 					if ( node.type == CKEDITOR.NODE_ELEMENT )
 					{
-						// A child with dir defined is to be ignored.
-						if ( !node.equals( e.data ) && node.hasAttribute( 'dir' ) )
+						// A child with the defined dir is to be ignored.
+						if ( !node.equals( e.data ) && node.getDirection() )
 						{
 							range.setStartAfter( node );
 							walker = new CKEDITOR.dom.walker( range );