anchor.diff:    <thead>
       <tr>
         <th>Name</th>
  +      <th>Qty</th>
         <th>Model</th>
  -      <th>Category</th>
  +      <th>Item Type</th>
         <th>Location</th>
  -      <th>Costs</th>
         <th>Status</th>
  +      <th>Condition</th>
         <th></th>
       </tr>
     </thead>
  
positive.code: <% content_for :sidebar do %>
    <%= sidebar_button_link 'Return to Categories', item_categories_path %>
    <%= sidebar_button_link 'New Item', new_item_path if can? :create, Item %>
  <% end %>
  
  
negative.code:     <% @items.each do |item| %>
        <tr>
          <td><%= link_to item.name, item_path(item) %></td>
          <td><%= item.qty %></td>
          <td><%= "#{item.brand} #{item.model}" %></td>
          <td><%= item.item_type %></td>
          <td><%= item.location_name %></td>
          <td><%= item_status_label(item) %></td>
          <td><%= item_condition_label(item) %></td>
          <td><%= table_button_link 'Edit', edit_item_path(item) unless cannot? :edit, item %></td>
        </tr>
      <% end %>
  