Upgrade Twig library

inc/lib/Twig/LexerInterface.php

@@ -12,18 +12,18 @@
 /**
  * Interface implemented by lexer classes.
  *
- * @package    twig
- * @author     Fabien Potencier <fabien@symfony.com>
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @deprecated since 1.12 (to be removed in 2.0)
  */
 interface Twig_LexerInterface
 {
     /**
      * Tokenizes a source code.
      *
-     * @param  string $code     The source code
-     * @param  string $filename A unique identifier for the source code
+     * @param string $code     The source code
+     * @param string $filename A unique identifier for the source code
      *
      * @return Twig_TokenStream A token stream instance
      */
-    function tokenize($code, $filename = null);
+    public function tokenize($code, $filename = null);
 }