--- /dev/null
+--TEST--
+"block" tag
+--TEMPLATE--
+{% extends "foo.twig" %}
+
+{% block content %}
+ {% block subcontent %}
+ {% block subsubcontent %}
+ SUBSUBCONTENT
+ {% endblock %}
+ {% endblock %}
+{% endblock %}
+--TEMPLATE(foo.twig)--
+{% block content %}
+ {% block subcontent %}
+ SUBCONTENT
+ {% endblock %}
+{% endblock %}
+--DATA--
+return array()
+--EXPECT--
+SUBSUBCONTENT