anchor.diff:  
       <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 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:               <a href="<%= context_url(@context, :context_rubrics_url) %>" class="icon-rubric" id="add_rubric_url" style="display:none">&nbsp;</a>
              <% end %>
  
              <li>
                <a href="<%= context_url(@context, :context_quiz_url, @quiz) %>" class="delete_quiz_link">
                  <i class="icon-trash"></i>
                  <%= t('titles.delete', "Delete") %>
                </a>
  
negative.code:     <div class="span6">
        <div class="admin-link-hover-area">
          <div class="admin-links">
            <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 id="manage-toolbar" class="al-options" role="menu" tabindex="0" aria-hidden="true" aria-expanded="false">
              <% if @assignment %>
                <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>
  