anchor.diff:    <%= description %>
   </p>
   
  -<% if parameters && parameters.size > 0 %>
  +<% if defined?(parameters) && parameters.size > 0 %>
   <h4>Parameters</h4>
     <table>
     <% parameters.each do |parameter| %>
  
positive.code: </table>
  <% end %>
  
  <% if error_messages && error_messages.size > 0 %>
  
  <h4>Error messages</h4>
  <table>
  
negative.code:       <td>
  	<%= render :partial => "doc/inner_parameters", :locals => { :parameters => parameter.to_a[0][1] } %>
        </td>
        <% else %>
          <th><%= parameter.to_a[0][0] %></th>
          <td><%= parameter.to_a[0][1]%></td>
        <% end %>
        
      </tr>
    <% end %>
    </table>
  <% end %>
  
  <% if defined?(returns) && returns.size > 0 %>
  
  <h4>Return Codes</h4>
  <table>
  