{% extends "demo/base.html" %}
{% load django_listing %}
{% load demo_extras %}
{% load i18n %}

{% block body %}
    <h2><a href="{% url 'ref_guide' %}">Reference guide</a> : Colomns (group of colums)</h2>

    <h3>Introduction</h3>
    <p>This page is about <code>Columns</code> (plural) object and <u>NOT</u> about <code>Column</code> objects</p>
    <p>When a listing is defined, one <code>Columns</code> object has to be defined. It can be explicit or implicit</p>
    <p>When not explicitly defined, the <c