Index: /CKEditor/tests/tt/4196/1.html
===================================================================
--- /CKEditor/tests/tt/4196/1.html	(revision 4499)
+++ /CKEditor/tests/tt/4196/1.html	(revision 4499)
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+	"http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+	<title>Ticket: #4196</title>
+	<meta name="tags" content="editor,unit,stable">
+	<script type="text/javascript" src="../../cktester/cell.js"></script>
+	<script>
+( function()
+{
+	var ts, tc, assert = CKEDITOR.test.assert, test = CKEDITOR.test, selector = YAHOO.util.Selector;
+
+	YAHOO.tool.TestRunner.add( ts = new CKEDITOR.test.suites.editorTestSuite(
+		{
+				editorName : 'test_editor_1',
+				name :document.title
+		} ) );
+
+	ts.add( tc = new YAHOO.tool.TestCase(
+		{
+			setUp : function ()
+			{
+				// Force result data un-formatted.
+				ts.editor.dataProcessor.writer._.rules = {};
+				ts.editor.focus();
+
+			},
+
+			/**
+			 * 'Remove List' on nested list should break the root list.
+			 */
+			test_remove_nestedList : function()
+			{
+				var editor = ts.editor,
+					contentWithSelection = test.getValueAsHtml( 'input' );
+
+				test.setHtmlWithSelection( editor.document.getBody(), contentWithSelection );
+
+				this.wait( function ()
+				{
+					editor.execCommand( 'numberedlist' );
+					assert.areSame( '<ul><li>a</li></ul><p>b</p><ul><li>c</li></ul>', editor.getData() );
+					
+				}, 100 );
+			}
+		} ) );
+} )();
+	</script>
+</head>
+<body>
+<textarea id='input'>
+<ul>
+	<li>
+		a
+		<ol>
+			<li>
+				^b
+				<ul>
+					<li>
+						c</li>
+				</ul>
+			</li>
+		</ol>
+	</li>
+</ul>
+</textarea>
+</body>
+</html>
