commit 3a5dff3e1c0db8d6e623988b10796cfd1b70964e
Author: Joel Pittet <joel@pittet.ca>
Date:   Thu Aug 28 18:23:44 2014 -0700

    cleanup and markup update to match changes, remove parens and move space inside the span tag.

diff --git a/core/includes/theme.maintenance.inc b/core/includes/theme.maintenance.inc
index e880d00..cb3d728 100644
--- a/core/includes/theme.maintenance.inc
+++ b/core/includes/theme.maintenance.inc
@@ -122,22 +122,21 @@ function template_preprocess_task_list(&$variables) {
   $active = $variables['active'];
 
   $done = isset($items[$active]) || $active == NULL;
-  $tasks = array();
-
   foreach ($items as $k => $item) {
-    $tasks[$k]['item'] = $item;
-    $tasks[$k]['attributes'] = new Attribute(array('class' => array()));
+    $variables['tasks'][$k]['item'] = $item;
+    $variables['tasks'][$k]['attributes'] = new Attribute();
     if ($active == $k) {
-      $tasks[$k]['attributes']['class'][] = 'active';
-      $tasks[$k]['status'] = t('active');
+      $variables['tasks'][$k]['attributes']->addClass('active');
+      $variables['tasks'][$k]['status'] = t('active');
       $done = FALSE;
     }
     else {
-      $tasks[$k]['attributes']['class'][] = $done ? 'done' : '';
-      $tasks[$k]['status'] = $done ? t('done') : '';
+      if ($done) {
+        $variables['tasks'][$k]['attributes']->addClass('active');
+        $variables['tasks'][$k]['status'] = t('done');
+      }
     }
   }
-  $variables['tasks'] = $tasks;
 }
 
 /**
diff --git a/core/modules/system/templates/task-list.html.twig b/core/modules/system/templates/task-list.html.twig
index b707a0f..8de6d0d 100644
--- a/core/modules/system/templates/task-list.html.twig
+++ b/core/modules/system/templates/task-list.html.twig
@@ -19,7 +19,7 @@
 {% for task in tasks %}
   <li{{ task.attributes }}>
     {{ task.item }}
-    {% if task.status %} <span class="visually-hidden">({{ task.status }})</span>{% endif %}
+    {% if task.status %}<span class="visually-hidden"> {{ task.status }}</span>{% endif %}
   </li>
 {% endfor %}
 </ol>