Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7596)
+++ /CKEditor/trunk/CHANGES.html	(revision 7597)
@@ -47,4 +47,5 @@
 	<ul>
 		<li><a href="http://dev.ckeditor.com/ticket/9101">#9101</a> : Tab key in smiley and special char dialog now moves focus to dialog buttons.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/9209">#9209</a> : Fixed IE7 crashed when switching list item type.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/core/dom/node.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/node.js	(revision 7596)
+++ /CKEditor/trunk/_source/core/dom/node.js	(revision 7597)
@@ -107,5 +107,6 @@
 				if ( !cloneId )
 					node.removeAttribute( 'id', false );
-				node.removeAttribute( 'data-cke-expando', false );
+
+				node[ 'data-cke-expando' ] = undefined;
 
 				if ( includeChildren )
