{% block content %}
<form action="{{action|e}}" method="POST">
<p>
-from: <input name="start" {% if start_date %}value="{{ start_date }}"{% endif %} placeholder="{{ today }}" />
+from: <input name="start" {% if start_date %}value="{{ start_date }}"{% endif %} placeholder="yesterday" />
to: <input name="end" {% if end_date %}value="{{ end_date }}"{% endif %} placeholder="2030-12-31" />
<input type="submit" value="OK" />
</p>