Navigation-block is always displayed

Here is a patch:

Index: user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user.module,v
retrieving revision 1.221
diff -u -r1.221 user.module
--- user.module	28 Sep 2003 18:53:30 -0000	1.221
+++ user.module	30 Sep 2003 10:36:43 -0000
@@ -425,8 +425,10 @@
         }
         return $block;
       case 1:
-        $block["subject"] = $user->uid ? $user->name : t("Navigation");
-        $block["content"] = "<div id=\"menu\">". menu_tree() ."</div>";
+        if ($menu = menu_tree()) {
+          $block["subject"] = $user->uid ? $user->name : t("Navigation");
+          $block["content"] = "<div id=\"menu\">$menu</div>";
+        }
         return $block;
       case 2:
         if (user_access("access content")) {

Project: Drupal
Category: bug reports
Component: user.module
Priority: normal
Version: cvs
-Assigned to: Anonymous
+Assigned to: Kjartan
Reported by: Anonymous
Updated by: Kjartan
Status: active

> Here is a patch:

This patch breaks the menu leaves [v] and [o].
the css list gets broken. At least in my theme it does.

this one puts the tags