Index: /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js	(revision 3664)
+++ /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js	(revision 3665)
@@ -43,7 +43,7 @@
 		{
 			if ( CKEDITOR.env.ie )
-				block.children.push( new CKEDITOR.htmlParser.text( '\xa0' ) );
+				block.add( new CKEDITOR.htmlParser.text( '\xa0' ) );
 			else
-				block.children.push( new CKEDITOR.htmlParser.element( 'br', {} ) );
+				block.add( new CKEDITOR.htmlParser.element( 'br', {} ) );
 		}
 	}
@@ -54,5 +54,5 @@
 
 		if ( blockNeedsExtension( block ) )
-			block.children.push( new CKEDITOR.htmlParser.text( '\xa0' ) );
+			block.add( new CKEDITOR.htmlParser.text( '\xa0' ) );
 	}