anchor.diff:            <div class="col-md-6">
               Yes (<%= number_to_currency (@registration.payment_amount.to_f / 100) %>
               <% if @registration.payment_date %>
  -              on <%= @registration.payment_date&.strftime(Session::DATETIME_FORMAT) %><% end %>)
  +              on <%= @registration.payment_date&.strftime(Session::DATETIME_FORMAT) %>
  +            <% end %>)
             </div>
           <% else %>
             <div class="col-md-2">
  
positive.code:               </div>
  
                <% tables = session.nonpremium_tables %>
                <% tables = tables.sort_by { |table| [table.scenario] } %>
                <% if tables.empty? %>
                  <div class="row no-pad striped-inner">
  
negative.code:           <div class="card-header striped-outer" id="session-header-<%= session.id %>">
              <div class="row mb-0">
                <div class="col-md-5">
                  <%= session.name %>: <%= session.timeslot %>
                </div>
                <div class="col-md-1 no-pad"></div>
                <div class="col-md-2 no-pad ">
  