This line should not be commented out.

ChangeLog

@@ -16,6 +16,7 @@ $Source$
     * Documentation.html: Add anchors to configuration directives.
     * libraries/sqlparser.lib.php: Do not use functions not supported by older
       PHP (bug #1367782).
+    * libraries/string.lib.php: This line should not be commented out.
 
 2005-11-28 Sebastian Mendel <cybot_tm@users.sourceforge.net>
     * libraries/Theme.class.php, libraries/Theme_Manager.class.php:

libraries/string.lib.php

@@ -17,7 +17,7 @@
 /* Try to load mbstring, unless we're using buggy php version */
 if (PMA_PHP_INT_VERSION != 40203) {
     if (!@extension_loaded('mbstring')) {
-        //PMA_dl('mbstring');
+        PMA_dl('mbstring');
     }
 }