Index: modules/node/node.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.pages.inc,v
retrieving revision 1.2
diff -u -p -r1.2 node.pages.inc
--- modules/node/node.pages.inc	9 Sep 2007 19:52:29 -0000	1.2
+++ modules/node/node.pages.inc	11 Sep 2007 23:55:20 -0000
@@ -48,7 +48,7 @@ function node_add($type) {
   // If a node type has been specified, validate its existence.
   if (isset($types[$type]) && node_access('create', $type)) {
     // Initialize settings:
-    $node = array('uid' => $user->uid, 'name' => $user->name, 'type' => $type, 'language' => '');
+    $node = array('uid' => $user->uid, 'name' => isset($user->name) ? $user->name : '', 'type' => $type, 'language' => '');
 
     drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)));
     $output = drupal_get_form($type .'_node_form', $node);
@@ -169,7 +169,7 @@ function node_form(&$form_state, $node) 
     '#weight' => 20,
   );
   $form['author']['name'] = array('#type' => 'textfield', '#title' => t('Authored by'), '#maxlength' => 60, '#autocomplete_path' => 'user/autocomplete', '#default_value' => $node->name ? $node->name : '', '#weight' => -1, '#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', t('Anonymous')))));
-  $form['author']['date'] = array('#type' => 'textfield', '#title' => t('Authored on'), '#maxlength' => 25, '#description' => t('Format: %time. Leave blank to use the time of form submission.', array('%time' => $node->date)));
+  $form['author']['date'] = array('#type' => 'textfield', '#title' => t('Authored on'), '#maxlength' => 25, '#description' => t('Format: %time. Leave blank to use the time of form submission.', array('%time' => isset($node->date) ? $node->date : '')));
 
   if (isset($node->nid)) {
     $form['author']['date']['#default_value'] = $node->date;
@@ -190,7 +190,7 @@ function node_form(&$form_state, $node) 
 
   // These values are used when the user has no administrator access.
   foreach (array('uid', 'created') as $key) {
-    $form[$key] = array('#type' => 'value', '#value' => $node->$key);
+    $form[$key] = array('#type' => 'value', '#value' => isset($node->$key) ? $node->$key: '');
   }
 
   // Add the buttons.