anchor.diff:              <ul class="page_warnings">
               <% page.warnings.each do |warning| %>
                 <li>
  -                Warning <a href="http://validator.w3.org/docs/errors.html#ve-<%= warning.message_id %>"><%= warning.message_id %></a>
  -                on line <%= warning.line %>:
  +                <% if warning.message_id == 'html5' %>
  +                  HTML5 warning on line <%= warning.line %>:
  +                <% else %>
  +                  Warning <a href="http://validator.w3.org/docs/errors.html#ve-<%= warning.message_id %>"><%= warning.message_id %></a>
  +                  on line <%= warning.line %>:
  +                <% end %>
  +
                   <%= warning.text %>
                 </li>
               <% end %>
  
positive.code:             <ul class="page_errors">
              <% page.errors.each do |error| %>
                <li>
                  Error <a href="http://validator.w3.org/docs/errors.html#ve-<%= error.message_id %>"><%= error.message_id %></a>
                  on line <%= error.line %>:
                  <%= error.text %>
                </li>
              <% end %>
  
negative.code:         <h2>POPULAR WARNINGS</h2>
          <ul>
          <% warnings.group_by {|w| w.message_id}.sort_by {|m,w| w.length}.reverse.each do |message_id, warnings| %>
            <% if message_id == 'html5' %>
              <li><%= warnings.length %> HTML5 warnings found</li>
            <% elsif message_id %>
              <li>warning <a href="http://validator.w3.org/docs/errors.html#ve-<%= message_id %>"><%= message_id %></a>
              found <%= warnings.length %> times</li>
            <% end %>
          <% end %>
          </ul>
        <% end %>
  