Issue #2181045 by tim.plunkett: Add a title callback for the term overview page.

core/modules/taxonomy/lib/Drupal/taxonomy/Controller/TaxonomyController.php

@@ -41,6 +41,20 @@ class TaxonomyController extends ControllerBase {
   public function termPage(TermInterface $taxonomy_term) {
     module_load_include('pages.inc', 'taxonomy');
     return taxonomy_term_page($taxonomy_term);
+
+  }
+
+  /**
+   * Route title callback.
+   *
+   * @param \Drupal\taxonomy\VocabularyInterface $taxonomy_vocabulary
+   *   The taxonomy term.
+   *
+   * @return string
+   *   The term label.
+   */
+  public function vocabularyTitle(VocabularyInterface $taxonomy_vocabulary) {
+    return Xss::filter($taxonomy_vocabulary->label());
   }
 
   /**

core/modules/taxonomy/taxonomy.module

@@ -252,12 +252,6 @@ function taxonomy_menu() {
     'type' => MENU_CALLBACK,
   );
 
-  $items['admin/structure/taxonomy/manage/%taxonomy_vocabulary'] = array(
-    'route_name' => 'taxonomy.overview_terms',
-    'title callback' => 'entity_page_label',
-    'title arguments' => array(4),
-  );
-
   return $items;
 }
 

core/modules/taxonomy/taxonomy.routing.yml

@@ -79,6 +79,7 @@ taxonomy.overview_terms:
   path: '/admin/structure/taxonomy/manage/{taxonomy_vocabulary}'
   defaults:
     _form: 'Drupal\taxonomy\Form\OverviewTerms'
+    _title_callback: 'Drupal\taxonomy\Controller\TaxonomyController::vocabularyTitle'
   requirements:
     _entity_access: 'taxonomy_vocabulary.view'