Index: modules/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node.module,v
retrieving revision 1.526
diff -u -p -r1.526 node.module
--- modules/node.module	30 Aug 2005 15:22:29 -0000	1.526
+++ modules/node.module	31 Aug 2005 13:32:06 -0000
@@ -1728,15 +1728,23 @@ function node_page() {
       break;
     case 'revision':
       if (is_numeric(arg(1)) && is_numeric(arg(3))) {
-        $node = node_load(arg(1), arg(3));
-        if ($node->nid) {
-          drupal_set_title(t('Revision of %title', array('%title' => theme('placeholder', $node->title))));
-          print theme('page', node_show($node, arg(2)));
+        if (user_access('administer nodes')) {
+          $node = node_load(arg(1), arg(3));
+          if ($node->nid) {
+            drupal_set_title(t('Revision of %title', array('%title' => theme('placeholder', $node->title))));
+            print theme('page', node_show($node, arg(2)));
+          }
+          else {
+            drupal_not_found();
+          }
         }
         else {
-          drupal_not_found();
+          drupal_access_denied();
         }
       }
+      else {
+        drupal_not_found();
+      }
       break;
     case t('Preview'):
       $edit = node_validate($edit);