Index: includes/theme.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/theme.inc,v
retrieving revision 1.610
diff -u -p -F '^f' -r1.610 theme.inc
--- includes/theme.inc	11 Sep 2010 00:03:41 -0000	1.610
+++ includes/theme.inc	13 Sep 2010 05:05:48 -0000
@@ -2199,12 +2199,12 @@ function template_preprocess_html(&$vari
 
   // Construct page title.
   if (drupal_get_title()) {
-    $head_title = array(strip_tags(drupal_get_title()), check_plain(variable_get('site_name', 'Drupal')));
+    $head_title = array(strip_tags(drupal_get_title()), strip_tags(variable_get('site_name', 'Drupal')));
   }
   else {
-    $head_title = array(check_plain(variable_get('site_name', 'Drupal')));
+    $head_title = array(strip_tags(variable_get('site_name', 'Drupal')));
     if (variable_get('site_slogan', '')) {
-      $head_title[] = filter_xss_admin(variable_get('site_slogan', ''));
+      $head_title[] = strip_tags(variable_get('site_slogan', ''));
     }
   }
   $variables['head_title'] = implode(' | ', $head_title);