diff -urN ../validator2/cgi-bin/check ./cgi-bin/check
--- ../validator2/cgi-bin/check	Sat Feb 18 14:06:41 2006
+++ ./cgi-bin/check	Thu May 25 16:11:57 2006
@@ -989,6 +989,11 @@
   my $ua = new W3C::Validator::UserAgent ($CFG, $File);
   $ua->env_proxy();
   $ua->agent("W3C_Validator/$VERSION");
+  if (($q->param('accept') ne "none") && $q->param('accept'))
+  {
+     $ua->default_headers->push_header('Accept' => $q->param('accept'));
+     $T->param("accept " . $q->param('accept') => TRUE );
+  }
   $ua->parse_head(0);  # Don't parse the http-equiv stuff.
 
   $ua->protocols_allowed($CFG->{Protocols}->{Allow} || ['http', 'https']);
diff -urN ../validator2/htdocs/accept-select.html ./htdocs/accept-select.html
--- ../validator2/htdocs/accept-select.html	Wed Dec 31 18:00:00 1969
+++ ./htdocs/accept-select.html	Wed May 24 14:35:52 2006
@@ -0,0 +1,5 @@
+<select id="accept" name="accept">
+  <option value="none" selected="selected">(none specified)</option>
+  <option value="text/html">text/html</option>
+  <option value="application/xhtml+xml">application/xhtml+xml</option> 
+</select>
diff -urN ../validator2/htdocs/detailed-form.html ./htdocs/detailed-form.html
--- ../validator2/htdocs/detailed-form.html	Thu Feb 16 00:40:47 2006
+++ ./htdocs/detailed-form.html	Wed May 24 14:52:19 2006
@@ -54,6 +54,13 @@
             <td><label for="fbd"><input id="fbd" name="fbd" type="checkbox" value="1" /> Use Fallback instead of Override</label></td>
           </tr>
           <tr>
+            <th><label for="accept">Accept:</label></th>
+            <td>
+<!--#include virtual="accept-select.html" -->
+            </td>
+            <td><label for="fba"><input id="fba" name="fba" type="checkbox" value="1" /> Use Fallback isnteda of Override(?)</label></td>
+          </tr>
+          <tr>
             <th rowspan="4">Options (<a title="Explanation for these options" href="docs/users.html#Options">Help</a>):</th>
             <td><label for="ss"><input id="ss" name="ss" type="checkbox" value="1" /> Show Source</label></td>
             <td><label for="outline"><input id="outline" name="outline" type="checkbox" value="1" /> Show Outline</label></td>
diff -urN ../validator2/htdocs/xml-results.css ./htdocs/xml-results.css
--- ../validator2/htdocs/xml-results.css	Mon Feb 24 17:33:18 2003
+++ ./htdocs/xml-results.css	Wed May 24 14:27:39 2006
@@ -7,7 +7,7 @@
    $Id: xml-results.css,v 1.5 2003/02/24 23:33:18 ville Exp $
 */
 
-result, meta, uri, modified, server, size, encoding, doctype, warnings, messages {display: block}
+result, meta, uri, modified, server, size, encoding, doctype, accept, warnings, messages {display: block}
 strong, a {display: inline}
 
 meta {
@@ -23,6 +23,7 @@
 size     {text-before: 'Size: '}
 encoding {text-before: 'Encoding: '}
 doctype  {text-before: 'Doctype: '}
+accept   {text-before: 'Accept: '}
 
 warnings {
   border-top: 1px solid red;
diff -urN ../validator2/htdocs/xml-results.xsl ./htdocs/xml-results.xsl
--- ../validator2/htdocs/xml-results.xsl	Wed Jul 21 10:06:55 2004
+++ ./htdocs/xml-results.xsl	Wed May 24 14:25:59 2006
@@ -32,6 +32,7 @@
       <tr><th scope="row">Content-Length</th> <td><xsl:value-of select="size"/></td></tr>
       <tr><th scope="row">Encoding</th>       <td><xsl:value-of select="encoding"/></td></tr>
       <tr><th scope="row">Doctype</th>        <td><xsl:value-of select="doctype"/></td></tr>
+      <tr><th scope="row">Accept</th>         <td><xsl:value-of select="accept"/></td></tr>
     </tbody>
   </table>
   </xsl:template>
diff -urN ../validator2/share/templates/en_US/popup_accept.tmpl ./share/templates/en_US/popup_accept.tmpl
--- ../validator2/share/templates/en_US/popup_accept.tmpl	Wed Dec 31 18:00:00 1969
+++ ./share/templates/en_US/popup_accept.tmpl	Thu May 25 16:04:19 2006
@@ -0,0 +1,5 @@
+<select id="accept" name="accept">
+  <option value="none">(none specified)</option>
+  <option value="text/html" <TMPL_IF NAME="accept text/html">selected="selected"</TMPL_IF>>text/html</option>
+  <option value="application/xhtml+xml" <TMPL_IF NAME="accept application/xhtml+xml">selected="selected"</TMPL_IF>>application/xhtml+xml</option> 
+</select>
diff -urN ../validator2/share/templates/en_US/table.tmpl ./share/templates/en_US/table.tmpl
--- ../validator2/share/templates/en_US/table.tmpl	Sat Feb 11 06:38:46 2006
+++ ./share/templates/en_US/table.tmpl	Wed May 24 15:16:06 2006
@@ -55,6 +55,14 @@
   <TMPL_ELSE>
     <tr><th>Doctype:</th><td colspan="2"><TMPL_INCLUDE NAME="popup_doctype.tmpl"></td></tr>
   </TMPL_IF>
+  <TMPL_IF NAME="file_accept">
+    <tr>
+      <th><label for="accept" title="Accept">Accept</label>:</th>
+      <td><TMPL_VAR NAME="file_accept" ESCAPE="HTML"></td><td><TMPL_INCLUDE NAME="popup_accept.tmpl"></td>
+    </tr>
+  <TMPL_ELSE>
+    <tr><th>Accept:</th><td colspan="2"><TMPL_INCLUDE NAME="popup_accept.tmpl"></td></tr>
+  </TMPL_IF>
 </TMPL_IF>
 <TMPL_IF NAME="file_namespace">
     <tr>