Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.624
diff -u -F^f -r1.624 common.inc
--- includes/common.inc	27 Mar 2007 05:13:53 -0000	1.624
+++ includes/common.inc	28 Mar 2007 07:00:21 -0000
@@ -697,7 +697,20 @@ function fix_gpc_magic() {
  */
 function t($string, $args = 0) {
   global $language;
-  if (function_exists('locale') && $language->language != 'en') {
+  static $custom_translations;
+
+  // First, check for an array of custom translations.
+  // If present, use the array *instead of* database lookups. 
+  // This is a high performance way to provide a handful of string replacements.
+  // See end of settings.php.
+  // Cache the $custom_translations variable to improve performance.
+  if (!isset($custom_translations)) {
+  	$custom_translations = variable_get('custom_translations', array());
+  }
+  if (isset($custom_translations[$language->language][$string])) {
+  	$string = $custom_translations[$language->language][$string];
+  }
+  elseif (function_exists('locale') && $language->language != 'en') {
     $string = locale($string);
   }
   if (!$args) {
Index: sites/default/settings.php
===================================================================
RCS file: /cvs/drupal/drupal/sites/default/settings.php,v
retrieving revision 1.53
diff -u -F^f -r1.53 settings.php
--- sites/default/settings.php	26 Mar 2007 06:43:12 -0000	1.53
+++ sites/default/settings.php	28 Mar 2007 06:44:31 -0000
@@ -169,11 +169,23 @@
  * the default settings.php. Any configuration setting from the 'variable'
  * table can be given a new value.
  *
+ * !! Please remember that you must save this file by using UTF-8 encoding. !!
+ *
  * Remove the leading hash signs to enable.
  */
 # $conf = array(
 #   'site_name' => 'My Drupal site',
 #   'theme_default' => 'minnelli',
 #   'anonymous' => 'Visitor',
+#   'custom_translation' => array(
+#     'en' => array(
+#       'forum' => 'Discussion board',
+#       'Who\'s Online' => 'Who\'s wasting time',
+#     ),
+#     'tr' => array(
+#       'forum' => 'Fikir meydanı',
+#       'Who\'s Online' => 'Kim vakit harcıyor',
+#     ),
+#   ),
 # );