anchor.diff:  </table>
   
   
  -<% if @product.wikis.count > 0 %>
  -  <h2>Wikis</h2>
  +<% unless @product.wikis.blank? %>
  +  <h2>Wikis <% if logged_in? %><%= link_to '(Add)', controller: "wikis", action: "new",  product: @product %><% end %></h2>
     <p>
       <% @product.wikis.each do |wiki| %>
         <%= link_to wiki.title, wiki %><br />
  
positive.code: <% end %>
  
  
  <% if @product.meetings %>
    <h2>Meetings <% if logged_in? %><%= link_to '(Add)', controller: "meetings", action: "new",  product: @product %><% end %></h2>
    <table class="table">
      <thead>
  
negative.code: <% end %>
  
  
  <% unless @product.notes.blank? %>
    <h2>Notes <% if logged_in? %><%= link_to '(Add)', controller: "notes", action: "new",  product: @product %><% end %></h2>
    <table class="table">
      <thead>
  