Outputs special characters used to create template tags (e.g., braces and percentage signs).
Template
{% templatetag openblock %} tag {% templatetag closeblock %}
{% templatetag openvariable %} variable {% templatetag closevariable %}
{% templatetag openbrace %} braces {% templatetag closebrace %}
{% templatetag opencomment %} comment {% templatetag closecomment %}
Result
{% tag %}
{{ variable }}
{ braces }
{# comment #}

Commentary
Unless you’re planning to write an online Django tutorial in which you need to output symbols used in Django templates, you’re unlikely to need this tag.