anchor.diff:      <!-- next button -->
       <% if current == total %>
         <li class="disabled">
  -        <a href="#">&raquo;</a>
  +        <a href="#" aria-label="No Next Page">&raquo;</a>
         </li>
       <% else %>
         <li>
           <%= link_to to_page(current+1, opts), rel: "next" do %>
  -          <span aria-hidden="true">&raquo;</span>
  +          <span aria-label="Next Page (<%= current + 1 %>)">&raquo;</span>
           <% end %>
         </li>
       <% end %>
  
positive.code:     <!-- add the first page if you're not on it, add dots if necessary -->
      <% if current != 1 %>
        <li>
          <%= link_to "1", to_page(1, opts), rel: "nofollow" %>
        </li>
        <% if pages_prior.min != range-1 && current != range-1 %>
          <li class="disabled"><span>...</span></li>
        <% end %>
      <% end %>
  
      <!-- prior pages -->
      <% pages_prior.each do |page| %>
        <li><%= link_to page.to_s, to_page(page, opts), rel: "nofollow" %></li>
      <% end %>
  
      <!-- current page -->
      <li class="active">
        <%= link_to current.to_s, to_page(current, opts), rel: "nofollow" %>
      </li>
  
      <!-- next pages -->
      <% pages_next.each do |page| %>
        <li><%= link_to page.to_s, to_page(page, opts), rel: "nofollow" %></li>
      <% end %>
  
      <!-- add the last page if you're not on it, add dots if necessary -->
      <% if current != total %>
        <% if pages_next.max != total-1 && current != total-1 %>
          <li class="disabled"><span>...</span></li>
        <% end %>
        <li>
          <%= link_to total.to_s, to_page(total, opts), rel: "nofollow" %>
        </li>
      <% end %>
  
  
negative.code:     <!-- previous button -->
      <% if current == 1 %>
        <li class="disabled">
          <a href="#" aria-label="No Previous Page">&laquo;</a>
        </li>
      <% else %>
        <li>
          <%= link_to to_page(current-1, opts), rel: "prev" do %>
            <span aria-label="Previous Page (<%= current - 1 %>)">&laquo;</span>
          <% end %>
        </li>
      <% end %>
  