anchor.diff:      <div class="span6">
         <div class="admin-link-hover-area">
           <div class="admin-links">
  -          <a class="al-trigger btn">
  -            <span class="screenreader-only">Manage</span>
  +          <a class="al-trigger btn" role="button" aria-haspopup="true" aria-owns="manage-toolbar" tabindex="-1">
               <i class="icon-settings"></i>
               <i class="icon-mini-arrow-down"></i>
  +            <span class="screenreader-only"><%= t('manage', 'Manage') %></span>
             </a>
  -          <ul class="al-options">
  +          <ul id="manage-toolbar" class="al-options" role="menu" tabindex="0" aria-hidden="true" aria-expanded="false">
               <% if @assignment %>
  -              <li>
  -                <a href="#" rel="<%= context_url(@context, :context_assignment_rubric_url, @assignment.id) %>" class="show_rubric_link">
  +              <li role="presentation">
  +                <a href="#" rel="<%= context_url(@context, :context_assignment_rubric_url, @assignment.id) %>" class="show_rubric_link" tabindex="-1" role="menuitem">
                     <i class="icon-rubric"></i>
                     <%= t('links.show_assignment_rubric', "Show Rubric") %>
                   </a>
  
positive.code: 
      <div class="header-group-right">
        <div class="admin-links">
          <a class="al-trigger btn">
            <span class="screenreader-only">Manage</span>
            <i class="icon-settings"></i><i class="icon-mini-arrow-down"></i>
          </a>
          <ul class="al-options">
            <% if @assignment %>
            <li>
              <a href="#" rel="<%= context_url(@context, :context_assignment_rubric_url, @assignment.id) %>" class="show_rubric_link">
                <i class="icon-rubric"></i>
                <%= t('links.show_assignment_rubric', "Show Rubric") %>
              </a>
  
negative.code:               <a href="<%= context_url(@context, :context_rubrics_url) %>" class="icon-rubric" id="add_rubric_url" style="display:none">&nbsp;</a>
              <% end %>
  
              <li role="presentation">
                <a href="<%= context_url(@context, :context_quiz_url, @quiz) %>" class="delete_quiz_link" tabindex="-1" role="menuitem">
                  <i class="icon-trash"></i>
                  <%= t('titles.delete', "Delete") %>
                </a>
  