### Eclipse Workspace Patch 1.0
#P drupal-cvs
Index: modules/taxonomy/taxonomy.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.module,v
retrieving revision 1.384
diff -u -r1.384 taxonomy.module
--- modules/taxonomy/taxonomy.module	2 Oct 2007 16:15:56 -0000	1.384
+++ modules/taxonomy/taxonomy.module	23 Oct 2007 20:23:04 -0000
@@ -1001,6 +1001,8 @@
     $output .= theme('pager', NULL, variable_get('default_nodes_main', 10), 0);
   }
   else {
+    // Remove (outdated) categories without content from search engines.
+    drupal_set_header('HTTP/1.1 404 Not Found');
     $output .= '<p>'. t('There are currently no posts in this category.') .'</p>';
   }
   return $output;