anchor.diff:      <tr>
         <th>#</th>
         <th>Building Type</th>
  -      <th></th>
       </tr>
     </thead>
     <tbody>
  
positive.code:   <tr>
      <td>Warriors:</td>
      <td><%= @tribe.warriors %></td>
      <td>
        <% if @tribe.has_building?("barracks") %>
          <form action="/tribes/<%= @tribe.slug %>/warriors" method="post">
            <input type="hidden" name="_method" value="patch">
            <input type="number" name="amount">
            <input type="submit" value="Enlist warriors">
            <em>($<%= @warrior_price %>/warrior)</em>
          </form>
        <% end %>
      </td>
    </tr>
    <tr>
      <td>Farmers:</td>
  
negative.code:       <tr>
          <td></td>
          <td><em>You have no buildings.</em></td>
        </tr>
      <% else %>
        <% @tribe.buildings.uniq.each do |building| %>
          <tr>
            <td><%= @tribe.count_building(building.name) %></td>
            <td><%= building.name %></td>
            <% if building.usable? %>
              <td>
                <form action="/tribes/<%= @tribe.slug %>/buildings" method="post">
                  <input type="hidden" name="_method" value="patch">
                  <input type="hidden" name="building_name" value="<%= building.name %>">
                  <input type="submit" value="<%= building.action.capitalize %>">
                </form>
              </td>
            <% end %>
          </tr>
        <% end %>
      <% end %>
  