--TEST--
"embed" tag
--TEMPLATE--
{% embed "foo.twig" %}
    {% block c1 %}
        {{ parent() }}
        {% embed "foo.twig" %}
            {% block c1 %}
                {{ parent() }}
                block1extended
            {% endblock %}
        {% endembed %}

    {% endblock %}
{% endembed %}
--TEMPLATE(foo.twig)--
A
{% block c1 %}
    block1
{% endblock %}
B
{% block c2 %}
    block2
{% endblock %}
C
--DATA--
return []
--EXPECT--
A
            block1

        
A
                    block1

                block1extended
            B
    block2
C
    B
    block2
C
