removed n/a strings leftover

diff --git a/lib/Twig/LexerInterface.php b/lib/Twig/LexerInterface.php
index 1ef0b86..5c1af5d 100644 (file)
--- a/lib/Twig/LexerInterface.php
+++ b/lib/Twig/LexerInterface.php
@@ -25,5 +25,5 @@ interface Twig_LexerInterface
      *
      * @return Twig_TokenStream A token stream instance
      */
-    public function tokenize($code, $filename = 'n/a');
+    public function tokenize($code, $filename = null);
 }

diff --git a/lib/Twig/Template.php b/lib/Twig/Template.php
index 5311583..4f9eab6 100644 (file)
--- a/lib/Twig/Template.php
+++ b/lib/Twig/Template.php
@@ -24,7 +24,7 @@ abstract class Twig_Template implements Twig_TemplateInterface
 
     public function getTemplateName()
     {
-        return 'n/a';
+        return null;
     }
 
     public function getEnvironment()