IE: Shift+Enter and nestes lists issue

[Tobiasz Cudnik]

In IE6 there's Shift+Enter and nestes lists issue.

Steps to reproduce

1. Use following contents with selection:

   <ul>
   	<li>
   		test 1^
   		<ul>
   			<li>
   				test 11</li>
   			<li>
   				test 12</li>
   		</ul>
   	</li>
   </ul>
   

2. Press Shift+Enter

Expected: New line (not a list item) below "test 1" is created.

Actual: Cursor is moves into the "test 11" line.