anchor.diff:  
       <%= label_tag :access do %>
         <%= radio_button_tag :access, 'restricted', (@mediaobject.access == 'restricted') %>
  -      Only registered @mediaobject.users should have access to this resource
  +      Only registered @mediaobject.user_exceptions should have access to this resource
       <% end %>
   
       <%= label_tag :access do %>
  
positive.code:       </tbody>
      <% end %>
      
        <% unless @mediaobject.users.empty? %>
        <thead>
          <tr>
            <td rowspan="2">Users</td>
          </tr>
        </thead>
          <tbody>
            <% @mediaobject.users.each do |user| %>
          <tr>
            <td><%= user %></td>
            <td class="controls">[delete]</td>  
  
negative.code:     <div class="whitespace" id="exceptions">
      <h4>Exceptions</h4>
      <table class="table table-striped table-hover">
        <% unless @mediaobject.group_exceptions.empty? %>
        <thead>
          <tr>
            <td rowspan="2">Groups</td>
          </tr>
        </thead>
          <tbody>
            <% @mediaobject.group_exceptions.each do |group| %>
          <tr>
            <td><%= group %></td>
            <td class="controls">[delete]</td>  
  