Index: node_form_buttons.inc
===================================================================
--- node_form_buttons.inc	(Revision 4615)
+++ node_form_buttons.inc	(Arbeitskopie)
@@ -23,6 +23,9 @@
 
   if (isset($context->form)) {
     $block->content = drupal_render($context->form['buttons']);
+    $block->content .= drupal_render($context->form['form_token']);
+    $block->content .= drupal_render($context->form['form_build_id']);
+    $block->content .= drupal_render($context->form['form_id']);
   }
   else {
     $block->content = t('Node form buttons.');