X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Ftwig%2Ftwig%2Flib%2FTwig%2FNodeTraverser.php;h=f00a0bf5c4efcd9fbebcb2d5f2922bc55ab520b8;hp=787629ce3449cc25d54ceaa33557ea56d12a8b0c;hb=0bf8d09d2542548982e81a441b1f16e75873a04f;hpb=74df008bdbb3a11eeea356744f39b802369bda3c

diff --git a/vendor/twig/twig/lib/Twig/NodeTraverser.php b/vendor/twig/twig/lib/Twig/NodeTraverser.php
index 787629ce3..f00a0bf5c 100644
--- a/vendor/twig/twig/lib/Twig/NodeTraverser.php
+++ b/vendor/twig/twig/lib/Twig/NodeTraverser.php
@@ -70,8 +70,10 @@ class Twig_NodeTraverser
         $node = $visitor->enterNode($node, $this->env);
 
         foreach ($node as $k => $n) {
-            if (false !== $n = $this->traverseForVisitor($visitor, $n)) {
-                $node->setNode($k, $n);
+            if (false !== $m = $this->traverseForVisitor($visitor, $n)) {
+                if ($m !== $n) {
+                    $node->setNode($k, $m);
+                }
             } else {
                 $node->removeNode($k);
             }