{% load cms_tags %}

{% spaceless %}
    © example_project |
    {% if post.date_published %}{# djangocms-blog #}
        {{ post.date_published|date:"SHORT_DATE_FORMAT" }}
    {% else %}
        {% page_attribute "changed_date" as date_changed %}{{ date_changed|date:"SHORT_DATE_FORMAT" }}
    {% endif %}
{% endspaceless %}