shopify-split-accordion.liquid

        <div class="product-description rte" itemprop="description">

          {% if product.description contains '<!--split-->' %}

            {% assign descriptions  = product.description | split: '<!--split-->' %}

            {% for section in descriptions %}

              {% if section contains '<!--drop-->' %}

                {% assign heading = section | split: '<!--drop-->' | first %}
                {% assign body = section | split: '<!--drop-->' | last %}

                <div class="description-section has-drop collapsed">
                  <div class="drop-heading">
                    {{ heading }}
                  </div>

                  <div class="drop-body">
                    {{ body }}
                  </div>
                </div>
                

              {% else %}
                <div class="description-section expanded">
                  {{ section }}
                </div>

              {% endif %}


            {% endfor %}

          {% else %}
            <!-- if there is no split -->
            {{ product.description }}
          {% endif %}

        </div>