title: SCRIPT1010: Expected identifier in IE10
body: <p>In my project I am using the Prototype JavaScript Framework 1.7.1</p>
  
  <p>When I load the web page in IE10 on Windows 7 I get the error message below:
  SCRIPT1010: Expected identifier line 1 character 9 which points to <code>&lt;!DOCTYPE html&gt;</code> in my test HTML page below:</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
   &lt;title&gt;My webpage title&lt;/title&gt;
   &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8"/&gt;
   &lt;meta http-equiv="X-UA-Compatible" content="IE=edge" /&gt;
   &lt;meta name="description" content="" /&gt;
   &lt;meta name="keywords" content="" /&gt;
   &lt;script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js'&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
      just testing
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>HTTP Request Header</p>
  
  <pre><code>GET /test.html HTTP/1.1[CRLF]
  Host: www.mydomain.com[CRLF]
  Connection: close[CRLF]
  User-Agent: Web-sniffer/1.0.44 (+http://web-sniffer.net/)[CRLF]
  Accept-Encoding: gzip[CRLF]
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8[CRLF]
  Accept-Language: en-GB,en-US;q=0.8,en;q=0.6[CRLF]
  Accept-Charset: ISO-8859-1,UTF-8;q=0.7,*;q=0.7[CRLF]
  Cache-Control: no-cache[CRLF]
  Referer: http://web-sniffer.net/[CRLF]
  </code></pre>
  
  <p>HTTP Response Header</p>
  
  <pre><code>Name    Value   Delim
  Status: HTTP/1.1 200 OK
  Server: webhost 
  Date:   Tue, 26 Mar 2013 10:07:56 GMT   
  Content-Type:   text/html   
  Transfer-Encoding:  chunked 
  Connection: close   
  Vary:   Accept-Encoding,User-Agent  
  Last-Modified:  Tue, 26 Mar 2013 10:07:29 GMT   
  Cache-Control:  max-age=3600, public, must-revalidate, proxy-revalidate 
  Expires:    Tue, 26 Mar 2013 11:07:56 GMT   
  Pragma: public  
  CF-RAY: 553096521a6047f 
  Content-Encoding:   gzip
  </code></pre>
  
  <p>Does anyone know what is causing this error or is this a bug in Prototype 1.7.1?</p>