reverted:
--- b/modules/node/node.module
+++ a/modules/node/node.module
@@ -1635,7 +1635,7 @@
  */
 function node_search_info() {
   return array(
+    'title' => 'Content',
-    'title' => t('Content'),
     'path' => 'node',
   );
 }
only in patch2:
unchanged:
--- a/modules/search/search.api.php
+++ b/modules/search/search.api.php
@@ -31,7 +31,8 @@
  * @return
  *   Array with optional keys:
  *   - title: Title for the tab on the search page for this module. Defaults
- *     to the module name if not given.
+ *     to the module name if not given. Should be untranslatable, but in case of
+ *     need, should be passed through the t() function.
  *   - path: Path component after 'search/' for searching with this module.
  *     Defaults to the module name if not given.
  *   - conditions_callback: An implementation of callback_search_conditions().
@@ -40,7 +41,7 @@
  */
 function hook_search_info() {
   return array(
-    'title' => 'Content',
+    'title' => t('Content'),
     'path' => 'node',
     'conditions_callback' => 'callback_search_conditions',
   );