Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 13521)
+++ wp-includes/script-loader.php	(working copy)
@@ -440,7 +440,7 @@
 
 	$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '.dev' : '';
 
-	$rtl_styles = array( 'wp-admin', 'global', 'colors', 'dashboard', 'ie', 'install', 'login', 'media', 'theme-editor', 'upload', 'widgets', 'press-this', 'plugin-install', 'farbtastic' );
+	$rtl_styles = array( 'wp-admin', 'global', 'colors', 'dashboard', 'ie', 'install', 'login', 'media', 'theme-editor', 'upload', 'widgets', 'press-this', 'plugin-install', 'farbtastic', 'nav-menu' );
 	// Any rtl stylesheets that don't have a .dev version for ltr
 	$no_suffix = array( 'farbtastic' );
 
Index: wp-admin/images/ico-arrow-rtl.png
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream

Property changes on: wp-admin/images/ico-arrow-rtl.png
___________________________________________________________________
Added: svn:mime-type
   + application/octet-stream

Index: wp-admin/css/nav-menu-rtl.dev.css
===================================================================
--- wp-admin/css/nav-menu-rtl.dev.css	(revision 0)
+++ wp-admin/css/nav-menu-rtl.dev.css	(revision 0)
@@ -0,0 +1,41 @@
+.submitdelete { float: right; }
+.save { float: left; }
+
+/* Button Secondary Actions */
+.button-controls { float: right; }
+.add-to-menu { float: left; }
+
+/* CSS for switching the main columns *//*
+#menu-settings-column { clear: none; float: right; }
+#menu-management #post-body { float: left; margin-right: -340px; margin-left: 0px; }
+#menu-management #post-body-content { margin-right: 300px; margin-left: 0px; }
+*/
+
+/* Custom Links */
+#add-custom-link label span {  float: left; padding-left: 5px; padding-right: 0; }
+#menu-item-url, #menu-item-name { float: left; }
+
+/* Listings */
+
+.list li .item-title input { margin-right: 0; margin-left: 3px; }
+
+.list li ul li .item-title  { margin-right: 14px; margin-left: 0; }
+.list li ul li ul li .item-title  { margin-right: 28px; margin-left: 0; }
+.list li ul li ul li ul li .item-title  { margin-right: 42px; margin-left: 0; }
+.list li ul li ul li ul li ul li .item-title  { margin-right: 56px; margin-left: 0; }
+.list li ul li ul li ul li ul li ul li .item-title  { margin-right: 70px; margin-left: 0; }
+.list li ul li ul li ul li ul li ul li ul li .item-title  { margin-right: 84px; margin-left: 0; }
+.list li ul li ul li ul li ul li ul li ul li ul li .item-title  { margin-right: 98px; margin-left: 0; }
+.list li ul li ul li ul li ul li ul li ul li ul li ul li .item-title  { margin-right: 112px; margin-left: 0; }
+
+/* Menu */
+
+.menu li dl dt { padding-right:10px; }
+
+.menu li .item-title { background-image: url(../images/ico-arrow-rtl.png) ; background-position: right center; padding-right: 15px; padding-left: 0; }
+.menu li ul li { margin-right: 20px; margin-left: 0;}
+
+
+/* Menu Controls */
+.item-type { padding-left: 10px; padding-right: 0; }
+.item-controls { right: auto; left: 15px; }
\ No newline at end of file