=== modified file 'modules/node/node.module'
--- modules/node/node.module	2007-10-28 11:43:04 +0000
+++ modules/node/node.module	2007-11-05 14:43:21 +0000
@@ -742,7 +742,7 @@ function node_submit($node) {
     if (isset($node->body)) {
       $node->teaser = node_teaser($node->body, isset($node->format) ? $node->format : NULL);
       // Chop off the teaser from the body if needed.
-      if (!$node->teaser_include && $node->teaser == substr($node->body, 0, strlen($node->teaser))) {
+      if (empty($node->teaser_include) && $node->teaser == substr($node->body, 0, strlen($node->teaser))) {
         $node->body = substr($node->body, strlen($node->teaser));
       }
     }
@@ -2620,4 +2620,4 @@ function _node_mass_update_batch_finishe
     $message .= theme('item_list', $results);
     drupal_set_message($message);
   }
-}
\ No newline at end of file
+}