anchor.diff:          <%= select_tag :type,
                           filter_edition_type_options_for_select(current_user, @filter.options[:type]),
                           class: 'chzn-select-no-search' %>
  -          <%= pass_through_filter_options_as_hidden_fields(@filter, :organisation, :world_location_ids, :state, :author, :from_date, :to_date) %>
  +          <%= pass_through_filter_options_as_hidden_fields(@filter, :title, :organisation, :world_location_ids, :state, :author, :from_date, :to_date) %>
             <%= submit_tag "Go", class: "btn js-hidden" %>
         <% end %>
       </div>
  
positive.code:         <%= select_tag  :world_location,
                          options_for_select(admin_world_location_filter_options(current_user), @filter.options[:world_location]),
                          class: 'chzn-select' %>
          <%= pass_through_filter_options_as_hidden_fields(@filter, :type, :state, :author, :organisation, :from_date, :to_date) %>
          <%= submit_tag "Go", class: "btn js-hidden" %>
        <% end %>
      <% end %>
  
negative.code:         <%= select_tag  :author,
                          options_for_select(admin_author_filter_options(current_user), @filter.options[:author]),
                          class: 'chzn-select' %>
          <%= pass_through_filter_options_as_hidden_fields(@filter, :title, :type, :state, :world_location, :from_date, :to_date) %>
          <%= submit_tag "Go", class: "btn js-hidden" %>
        <% end %>
      <% end %>
  