anchor.diff:  
         </header>
   
  +	    <aside>
  +	      <nav>
  +	        <ol>
  +	          <% guide.parts.each do |nav_part| %>
  +	          <li <% if part == nav_part %>class="active"<% end %>>
  +	            <a href="<%= guide_path(guide.slug, nav_part.slug) %>">
  +	              <p class="step">
  +	                <span><%= nav_part.number %></span>
  +	              </p>
  +	              <h3><%= nav_part.title %></h3>
  +	            </a>
  +	          </li>
  +	          <% end %>
  +	        </ol>
  +	      </nav>
  +	    </aside>
  +
         <h1><a href="#" rel="bookmark" title="Permanent link to part.title">Part.title</a></h1>
   
         <nav class="pagination">
  
positive.code:       <%= Govspeak::Document.new(part.body).to_html %>
  
        <footer>
          <div class="pagination">
            <%- if guide.has_previous_part?(part) -%>
            <p class="paginated-prev"><a href="<%= guide_path(guide.slug, guide.part_before(part).slug) %>">&larr; Previous section</a></p>
            <%- end -%>
            <p class="paginated-pages">Part <%= part.number %> of <%= guide.parts.length %> in this guide.</p>
            <%- if guide.has_next_part?(part) -%>
            <p class="paginated-next"><a href="<%= guide_path(guide.slug, guide.part_after(part).slug) %>">Next section &rarr;</a></p>
            <%- end -%>
          </div>
        </footer>
  
      </article>
  
      <aside>
        <nav>
          <ol>
            <% guide.parts.each do |nav_part| %>
            <li <% if part == nav_part %>class="active"<% end %>>
              <a href="<%= guide_path(guide.slug, nav_part.slug) %>">
                <p class="step">
                  <span><%= nav_part.number %></span>
                </p>
                <h3><%= nav_part.title %></h3>
              </a>
            </li>
            <% end %>
          </ol>
        </nav>
      </aside>
  
    </section>
  
  
negative.code: 			<form class="site-search" action="/" method="get" role="search">
  			  <fieldset>
  			    <legend>Search</legend>
     				<label for="s">
   						<span>Search</span>
   						<input type="search" name="s" id="s" placeholder="Search" />
   					</label>
    				<input type="submit" value="Go" />
    			</fieldset>
  			</form>
      </div>
    </header>
  