anchor.diff:  
   <!-- DESCRIPTION -->
   <section id="description">
  -  <h3>Description</h3>
  +  <h2>Description</h2><hr />
     <p>
       <%= sanitize(@equipment_model.formatted_description) %>
     </p>
  
positive.code: <!-- DOCUMENTATION -->
  <% if @equipment_model.documentation.exists? %>
  <section id="documentation">
    <h3>Documentation</h3>
    <!-- Title Row -->
    <%= content_tag :div, :class => 'row' do %>
      <%= content_tag :div, :class => 'span3' do %>
  
negative.code:     
   <!-- PROCEDURES -->
  <section id="procedures">
    <h2>Procedures</h2><hr />
    <!-- Title Row -->
    <%= content_tag :div, :class => 'row' do %>
      <%= content_tag :div, :class => 'span4' do %>
  