Index: /CKEditor/trunk/_source/plugins/enterkey/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/enterkey/plugin.js	(revision 3448)
+++ /CKEditor/trunk/_source/plugins/enterkey/plugin.js	(revision 3449)
@@ -8,5 +8,5 @@
 	CKEDITOR.plugins.add( 'enterkey',
 	{
-		requires : [ 'keystrokes' ],
+		requires : [ 'keystrokes', 'indent' ],
 
 		init : function( editor )
@@ -114,4 +114,11 @@
 		else
 		{
+
+			if ( isStartOfBlock && isEndOfBlock && previousBlock.is( 'li' ) )
+			{
+				editor.execCommand( 'outdent' );
+				return;
+			}
+
 			var newBlock;