anchor.diff:            <!--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 %>
  -            <tr><td bgcolor=<%= @bgcolor %> rowspan=  <%1%>>
  +            <tr><td bgcolor="#ffffff" rowspan=  <%1%>>
                 <% @reviewer_name = rejoinder.user.fullname(session[:ip]) %>
                 <%= link_to @reviewer_name, :controller => 'popup', :action => 'reviewer_details_popup', :id => rejoinder.id, :assignment_id => @id %>
               </td>
  
positive.code:           <% @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=<%= @bgcolor %>  align="left" rowspan= <%= @rspan_certain_round %>>
                <%= @count_certain_round %>/<%= @rspan_certain_round %></td>
            <% end %>
  
  
negative.code:             <td></td>
              <td></td>
              <%else %>
             <tr><td bgcolor="#ffffff" rowspan= <%= @assignment.varying_rubrics_by_round? ? (@rspan_round_one + @rspan_round_two + @rspan_round_three) : @rspan %>>
                <% @reviewer_name = rejoinder.user.fullname(session[:ip]) %>
                <%= link_to @reviewer_name, :controller => 'popup', :action => 'reviewer_details_popup', :id => rejoinder.id, :assignment_id => @id %>
              </td>
  