anchor.diff:            <% MagicItem.magic_standards.available_for(@army_list.army).each do |magic_item| %>
             <li>
               <em><%= value_points(magic_item.value_points) %>pts</em>
  -            <label><%= check_box_tag "army_list_unit[magic_item_ids][]", magic_item.id, @army_list_unit.magic_items.all.include?(magic_item), "id" => "army_list_unit_magic_item_ids_#{magic_item.id}" %> <%= magic_item.name %></label>
  +            <label><%= check_box_tag "army_list_unit[magic_item_ids][]", magic_item.id, @army_list_unit.magic_items.member?(magic_item), "id" => "army_list_unit_magic_item_ids_#{magic_item.id}" %> <%= magic_item.name %></label>
             </li>
             <% end %>
           </ul>
  
positive.code:               <% option.children.each do |child| %>
                <li>
                   <em><%= value_points(child.is_per_model ? child.value_points * @army_list_unit.size : child.value_points) %>pts</em>
                   <label><%= check_box_tag "army_list_unit[unit_option_ids][]", child.id, child.in?(@army_list_unit.unit_options.all), "data-radio" => true, "data-depend" => child.depend.try(:id), "id" => "army_list_unit_unit_option_ids_#{child.id}" %> <%= child.name %></label></li>
                <% end %>
              </ul>
            <% else %>
              <em><%= value_points(option.is_per_model ? option.value_points * @army_list_unit.size : option.value_points) %>pts</em>
              <label><%= check_box_tag "army_list_unit[unit_option_ids][]", option.id, option.in?(@army_list_unit.unit_options.all), "data-depend" => option.depend.try(:id), "id" => "army_list_unit_unit_option_ids_#{option.id}" %> <%= option.name %></label>
            <% end %>
            </li>
            <% end %>
  
negative.code:               <% magic_item_category.magic_items.available_for(@army_list.army).each do |magic_item| %>
                <li>
                  <em><%= value_points(magic_item.value_points) %>pts</em>
                  <label><%= check_box_tag "army_list_unit[magic_item_ids][]", magic_item.id, @army_list_unit.magic_items.member?(magic_item), "id" => "army_list_unit_magic_item_ids_#{magic_item.id}" %> <%= magic_item.name %></label>
                </li>
                <% end %>
              </ul>
  