Index: wp-admin/includes/nav-menu.php
===================================================================
--- wp-admin/includes/nav-menu.php	(revision 25095)
+++ wp-admin/includes/nav-menu.php	(working copy)
@@ -1234,7 +1234,7 @@
 		foreach( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
 
 			// Menu item title can't be blank
-			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) || '' == $_POST['menu-item-title'][ $_key ] )
+			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) )
 				continue;
 
 			$args = array();
Index: wp-includes/nav-menu.php
===================================================================
--- wp-includes/nav-menu.php	(revision 25095)
+++ wp-includes/nav-menu.php	(working copy)
@@ -336,8 +336,8 @@
 			$original_title = $original_object->post_title;
 		}
 
-		if ( $args['menu-item-title'] == $original_title )
-			$args['menu-item-title'] = '';
+		if ( $args['menu-item-title'] != '' )
+			$args['menu-item-title'] = $original_title;
 
 		// hack to get wp to create a post object when too many properties are empty
 		if ( '' ==  $args['menu-item-title'] && '' == $args['menu-item-description'] )
@@ -595,10 +595,6 @@
 
 				$menu_item->url = get_permalink( $menu_item->object_id );
 
-				$original_object = get_post( $menu_item->object_id );
-				$original_title = $original_object->post_title;
-				$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;
-
 			} elseif ( 'taxonomy' == $menu_item->type ) {
 				$object = get_taxonomy( $menu_item->object );
 				if ( $object ) {
@@ -611,17 +607,13 @@
 				$term_url = get_term_link( (int) $menu_item->object_id, $menu_item->object );
 				$menu_item->url = !is_wp_error( $term_url ) ? $term_url : '';
 
-				$original_title = get_term_field( 'name', $menu_item->object_id, $menu_item->object, 'raw' );
-				if ( is_wp_error( $original_title ) )
-					$original_title = false;
-				$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;
-
 			} else {
 				$menu_item->type_label = __('Custom');
-				$menu_item->title = $menu_item->post_title;
 				$menu_item->url = empty( $menu_item->url ) ? get_post_meta( $menu_item->ID, '_menu_item_url', true ) : $menu_item->url;
 			}
 
+			$menu_item->title = $menu_item->post_title;
+
 			$menu_item->target = empty( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target;
 
 			$menu_item->attr_title = empty( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title;