anchor.diff:  
           <% if @notifications.any? && !params[:archive].present? %>
             <%= link_to(
  -                'Archive all',
  +                (no_url_filter_parameters_present ? 'Archive all' : 'Archive list'),
                   archive_notifications_path(
                     repo:    params[:repo],
                     reason:  params[:reason],
  
positive.code: <nav class="navbar navbar-default navbar-inverse navbar-fixed-top">
    <div class="container-fluid">
      <!-- Brand and toggle get grouped for better mobile display -->
  
negative.code:             <%= paginate @notifications %>
            </div>
          </div>
        <% elsif no_url_filter_parameters_present %>
          <div class="blankslate blankslate-spacious blankslate-clean-background">
            <%= octicon 'mail-read', height: 32, class: 'blankslate-icon' %>
            <%= octicon 'thumbsup', height: 32, class: 'blankslate-icon' %>
  