anchor.diff:          <tbody data-hook="order_details_shipment_promotion_adjustments">
             <% order.shipment_adjustments.nonzero.promotion.eligible.group_by(&:label).each do |label, adjustments| %>
               <tr class="total">
  -              <td><%= label %></td>
  +              <td><%= label %>:</td>
                 <td><%= Spree::Money.new(adjustments.sum(&:amount), currency: order.currency).to_html %></td>
               </tr>
             <% end %>
  
positive.code:         <% order.adjustments.nonzero.eligible.each do |adjustment| %>
          <% next if (adjustment.source_type == 'Spree::TaxRate') and (adjustment.amount == 0) %>
            <tr class="total">
              <td><%= adjustment.label %>: </td>
              <td><%= adjustment.display_amount.to_html %></td>
            </tr>
          <% end %>
  
negative.code: 
      <% if order.passed_checkout_step?("delivery") && order.shipments.any? %>
        <tr data-hook="shipping_total">
          <td><%= Spree.t(:shipping_total) %>:</td>
          <td><%= Spree::Money.new(order.shipments.to_a.sum(&:cost), currency: order.currency).to_html %></td>
        </tr>
  
  