Index: includes/flag.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/flag/includes/Attic/flag.admin.inc,v
retrieving revision 1.1.4.2
diff -u -r1.1.4.2 flag.admin.inc
--- includes/flag.admin.inc	17 Mar 2009 02:05:24 -0000	1.1.4.2
+++ includes/flag.admin.inc	13 Sep 2009 21:04:54 -0000
@@ -321,7 +321,7 @@
   $form['types'] = array(
     '#type' => 'checkboxes',
     '#title' => t('What nodes this flag may be used on'),
-    '#options' => node_get_types('names'),
+    '#options' => array_map('check_plain', node_get_types('names')),
     '#default_value' => $flag->types,
     '#description' => t('Check any node types that this flag may be used on. You must check at least one node type.'),
     '#required' => TRUE,