When using a DESCRIBE query, send http accept application/rdf+xml

classes/Endpoint.php

@@ -19,6 +19,8 @@ class Endpoint{
 
         if($output == 'xml'){
           $accept = 'application/sparql-results+xml';
+        }elseif($output == 'rdf'){
+          $accept = 'application/rdf+xml';
         }
         $c = curl_init();
         $context = array();

common.inc.php

@@ -2,13 +2,13 @@
 include_once('settings.inc.php');
 
 $conf['endpoint']['select']['output'] = 'json';
-$conf['endpoint']['describe']['output'] = 'xml';
+$conf['endpoint']['describe']['output'] = 'rdf';
 $conf['endpoint']['config']['output'] = $conf['endpoint']['select']['output'];
 $conf['endpoint']['config']['named_graph'] = '';
 $conf['endpoint']['config']['show_inline'] = 0;
 
 $conf['metaendpoint']['select']['output'] = 'json';
-$conf['metaendpoint']['describe']['output'] = 'xml';
+$conf['metaendpoint']['describe']['output'] = 'rdf';
 $conf['metaendpoint']['config']['output'] = $conf['metaendpoint']['select']['output'];
 $conf['metaendpoint']['config']['show_inline'] = 0;
 $conf['metaendpoint']['config']['named_graph'] = 'http://lodspeakr.org/metadata';