anchor.diff:  
   </div>
   
  -<%= render partial: 'edit_markdown',locals: {link: @link} %>
  -
  -
   <% content_for :stylesheets do %>
   <link rel="stylesheet" href="http://cdn.embed.ly/jquery.preview-0.3.2.css" />
   <% end %>
  
positive.code: <script src="http://embedly.github.io/jquery-preview/lib/mustache.js" type="text/javascript"></script>
  <script src="http://embedly.github.io/jquery-preview/lib/underscore.js" type="text/javascript"></script>
  <%= javascript_include_tag "links/new" %>
  <% end %>
  
  
  
negative.code: <div class="row">
    <div class="span4">
      <%= render partial:"form" %>
      <input id="submit-button" name="commit" type="submit" value="儲存資料">
    </div>
  
    <div class="span8 embly_preview">
  