Mine

<html>
<head>
<title>XML Cleaner</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body>
<form name="form1" method="post" action="<?=$PHP_SELF?>">
  <table width="75%" border="1" align="center">
    <tr> 
      <td><textarea name="rawXml" cols="60" rows="14"><?=$rawXml?></textarea> </td>
    </tr>
    <tr> 
      <td><textarea name="cleanXml" cols="60" rows="14"><?=$cleanXml?></textarea></td>
    </tr>
    <tr>
      <td><input type="submit" name="Submit" value="Clean XML"></td>
    </tr>
  </table>
</form>
</body>
</html>