fix for BIESt #1011

Merge request studip/studip!745

app/controllers/questionnaire.php

@@ -18,6 +18,7 @@ class QuestionnaireController extends AuthenticatedController
         class_exists('Vote');
         class_exists('Test');
         class_exists('Freetext');
+        PageLayout::setHelpKeyword('Basis/Votings');
     }
 
     public function overview_action()

app/controllers/studip_controller.php

@@ -125,6 +125,9 @@ abstract class StudipController extends Trails_Controller
         if (Request::isXhr() && !isset($this->response->headers['X-Title']) && PageLayout::hasTitle()) {
             $this->response->add_header('X-Title', rawurlencode(PageLayout::getTitle()));
         }
+        if (Request::isXhr() && !isset($this->response->headers['X-WikiLink']) && PageLayout::getHelpKeyword()) {
+            $this->response->add_header('X-WikiLink', format_help_url(PageLayout::getHelpKeyword()));
+        }
 
         if ($this->with_session) {
             page_close();