<!-- Distinct block names -->
{% block title %}Title{% endblock %}
{% block content %}Content{% endblock %}
{% block footer %}Footer{% endblock %}

<!-- Distinct nested names: nesting alone must not trigger -->
{% block outer %}
    {% block inner %}nested{% endblock %}
{% endblock %}

<!-- A single block used once -->
{% block sidebar %}Sidebar{% endblock %}

<!-- blocktranslate / blocktrans are not `block` tags, even when repeated verbatim.
     `trimmed` keeps the untrimmed-blocktranslate rule quiet (all rules run here). -->
{% blocktranslate trimmed %}Hello{% endblocktranslate %}
{% blocktranslate trimmed %}Hello{% endblocktranslate %}
{% blocktrans trimmed %}Hi{% endblocktrans %}
{% blocktrans trimmed %}Hi{% endblocktrans %}