anchor.diff:      </thead>
   
       <tbody>
  -
  -    <%@l = -1 %>
   
       <% @authors.each do |rejoinder| %>
         <% next unless rejoinder %>
  
positive.code:           <% @rspan_certain_round = instance_variable_get("@rspan_round_#{round}") %>
            <% @count_certain_round = instance_variable_get("@count_round_#{round}") %>
            <% unless @rspan_certain_round == 0 %>
              <% @l = @l+1 %>
              <%# (@l % 2 == 0) ? @bgcolor = "#ffffff" : @bgcolor = "#f9f9f9" %>
              <td bgcolor="#ffffff"  align="left" rowspan= <%= @rspan_certain_round %>>
                <%= @count_certain_round %>/<%= @rspan_certain_round %></td>
            <% end %>
  
negative.code:         <!-- if assignment does not vary by round, prepare data: -->
            <% @count = 0 %>
            <% @feedback_response_maps.each {|rm| @count += 1 if Response.exists? map_id: rm.id} %>
            <!--Rejoinder-->
             <%row_span= @assignment.varying_rubrics_by_round? ? (@rspan_round_one.to_i + @rspan_round_two.to_i + @rspan_round_three.to_i) : @rspan.to_i %>
             <% if row_span == 0 %>
  