In caste it's needed, there is an example request and response simulating the check:

* request

```
GET /basilic-1.5.14/Config/diff.php?file=test&old=1&new=2 HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:10.0.1) Gecko/20100101 Firefox/10.0.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Proxy-Connection: keep-alive

```

* response

```
HTTP/1.1 200 OK
Date: Fri, 16 Aug 2013 15:22:30 GMT
Server: Apache/2.2.14 (Ubuntu)
X-Powered-By: PHP/5.3.2-1ubuntu4.19
Vary: Accept-Encoding
Content-Length: 694
Content-Type: text/html

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//en' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
<head>
 <title>Basilic : Conflict solver</title>
 <link rel='shortcut icon' href='Images/basilic.ico' />
 <link rel='stylesheet' href='../CSS/basilic.css' type='text/css' />
</head>

<body>

<div class="content">

<div class="center">
 <img src="../Images/basilic.jpg"/>
 <h1>File conflict solver</h1>
</div>

The old file is <code>1/test</code><br/>
The new file is <code>2/test</code><br/>
Here is the diff between the two files:
<pre>

</pre>
<p><a href="../checkConfig.php">Back</a></p>

</div>

</body>
</html>

```