Index: modules/book/book.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/book/book.module,v
retrieving revision 1.419
diff -u -p -r1.419 book.module
--- modules/book/book.module	30 Apr 2007 17:03:24 -0000	1.419
+++ modules/book/book.module	14 May 2007 01:21:35 -0000
@@ -864,7 +864,7 @@ function theme_book_admin_table($form) {
       drupal_render($form[$key]['weight']),
       l(t('view'), 'node/'. $nid),
       l(t('edit'), 'node/'. $nid .'/edit'),
-      l(t('delete'), 'node/'. $nid .'/delete', NULL, 'destination=admin/content/book'. (arg(3) == 'orphan' ? '/orphan' : '') . ($pid != $nid ? '/'. $pid : ''))
+      l(t('delete'), 'node/'. $nid .'/delete', array(), 'destination=admin/content/book'. (arg(3) == 'orphan' ? '/orphan' : '') . ($pid != $nid ? '/'. $pid : ''))
     );
   }