--- libraries/vendor_config.php~	2013-05-03 14:16:36.000000000 +0200
+++ libraries/vendor_config.php	2013-05-09 17:29:11.847767792 +0200
@@ -68,4 +68,9 @@
  * eg. /usr/share/php/gettext/gettext.inc.
  */
 define('GETTEXT_INC', './libraries/php-gettext/gettext.inc');
+/**
+ * Path to tcpdf.php file. Useful when you want to use system tcpdf,
+ * eg. /usr/share/php/tcpdf/tcpdf.php.
+ */
+define('TCPDF_INC', './libraries/tcpdf/tcpdf.php');
 ?>
--- libraries/PDF.class.php~	2013-05-03 14:16:36.000000000 +0200
+++ libraries/PDF.class.php	2013-05-09 17:29:10.904764535 +0200
@@ -9,7 +9,7 @@
     exit;
 }
 
-require_once './libraries/tcpdf/tcpdf.php';
+require_once TCPDF_INC;
 
 /**
  * PDF font to use.
@@ -45,13 +45,16 @@
     ) {
         parent::__construct();
         $this->SetAuthor('phpMyAdmin ' . PMA_VERSION);
-        $this->AliasNbPages();
         $this->AddFont('DejaVuSans', '', 'dejavusans.php');
         $this->AddFont('DejaVuSans', 'B', 'dejavusansb.php');
         $this->SetFont(PMA_PDF_FONT, '', 14);
         $this->setFooterFont(array(PMA_PDF_FONT, '', 14));
     }
 
+    public function empty_string($str) {
+            return (is_null($str) OR (is_string($str) AND (strlen($str) == 0)));
+    }
+
     /**
      * This function must be named "Footer" to work with the TCPDF library
      *