cmf menu-bunlde safe labels

[Frank Beentjes]

{{ knp_menu_render('main-menu', {'allow_safe_labels': true}) }}

LoadRoutingData.php:

                $phpcrMenuitem = new MenuNode();
                $phpcrMenuitem->setName($menuitem['homepage');
                $phpcrMenuitem->setParentDocument($phpcrMenu);
                $phpcrMenuitem->setRoute('homepage');
                $phpcrMenuitem->setLabel('<i class="fa fa-home"></i> Home');
                $phpcrMenuitem->setExtras(array('safe_label' => true));
                $documentManager->persist($phpcrMenuitem);

bin/console doctrine:phpcr:node:dump /cms/menu --props

/cms/menu:
  - jcr:primaryType = nt:unstructured
  main-menu:
    - jcr:primaryType = nt:unstructured
    - jcr:mixinTypes = Array(    [0] => phpcr:managed    [1] => mix:referenceable)
    - phpcr:class = Symfony\Cmf\Bundle\MenuBundle\Doctrine\Phpcr\Menu
    - phpcr:classparents = Array(    [0] => Symfony\Cmf\Bundle\MenuBundle\Model\MenuNodeBase    [1] => Symfony\Cmf\Bundle\MenuBundle\Model\MenuN...
    - jcr:uuid = 4619ac7c-c2bb-431c-9246-80fb74c36ba3
    - label = main-menu
    - routeAbsolute =
    - display = 1
    - displayChildren = 1
    - attributes = Array()
    - childrenAttributesKeys = Array(    [0] => class)
    - childrenAttributesNulls = Array()
    - childrenAttributes = Array(    [0] => nav navbar-nav navbar-right)
    - extras = Array()
    - routeParameters = Array()
    - linkAttributes = Array()
    - labelAttributes = Array()
    - publishable = 1
    homepage:
      - jcr:primaryType = nt:unstructured
      - jcr:mixinTypes = Array(    [0] => phpcr:managed    [1] => mix:referenceable)
      - phpcr:class = Symfony\Cmf\Bundle\MenuBundle\Doctrine\Phpcr\MenuNode
      - phpcr:classparents = Array(    [0] => Symfony\Cmf\Bundle\MenuBundle\Model\MenuNodeBase    [1] => Symfony\Cmf\Bundle\MenuBundle\Model\MenuN...
      - jcr:uuid = 9fd3dd83-5f05-4aa9-a7f1-dc2c5ced810e
      - label = <i class="fa fa-home"></i> Home
      - route = homepage
      - routeAbsolute =
      - display = 1
      - displayChildren = 1
      - attributes = Array()
      - childrenAttributes = Array()
      - extrasKeys = Array(    [0] => safe_label)
      - extrasNulls = Array()
      - extras = Array(    [0] => 1)
      - routeParameters = Array()
      - linkAttributes = Array()
      - labelAttributes = Array()
      - publishable = 1

I can't find what i am doing wrong. Labels are not escaped. Has somebody any idea?