Update to Drupal 8.1.2. For more information, see https://www.drupal.org/project/drupal/releases/8.1.2

core/modules/field_ui/field_ui.api.php

@@ -27,7 +27,7 @@
  * @return array
  *   Returns the form array to be built.
  *
- * @see \Drupal\field_ui\DisplayOverView.
+ * @see \Drupal\field_ui\DisplayOverView
  */
 function hook_field_formatter_third_party_settings_form(\Drupal\Core\Field\FormatterInterface $plugin, \Drupal\Core\Field\FieldDefinitionInterface $field_definition, $view_mode, $form, \Drupal\Core\Form\FormStateInterface $form_state) {
   $element = array();
@@ -60,7 +60,7 @@ function hook_field_formatter_third_party_settings_form(\Drupal\Core\Field\Forma
  * @return array
  *   Returns the form array to be built.
  *
- * @see \Drupal\field_ui\FormDisplayOverView.
+ * @see \Drupal\field_ui\FormDisplayOverView
  */
 function hook_field_widget_third_party_settings_form(\Drupal\Core\Field\WidgetInterface $plugin, \Drupal\Core\Field\FieldDefinitionInterface $field_definition, $form_mode, $form, \Drupal\Core\Form\FormStateInterface $form_state) {
   $element = array();
@@ -87,7 +87,7 @@ function hook_field_widget_third_party_settings_form(\Drupal\Core\Field\WidgetIn
  *   - field_definition: The field definition.
  *   - view_mode: The view mode being configured.
  *
- * @see \Drupal\field_ui\DisplayOverView.
+ * @see \Drupal\field_ui\DisplayOverView
  */
 function hook_field_formatter_settings_summary_alter(&$summary, $context) {
   // Append a message to the summary when an instance of foo_formatter has
@@ -110,7 +110,7 @@ function hook_field_formatter_settings_summary_alter(&$summary, $context) {
  *   - field_definition: The field definition.
  *   - form_mode: The form mode being configured.
  *
- * @see \Drupal\field_ui\FormDisplayOverView.
+ * @see \Drupal\field_ui\FormDisplayOverView
  */
 function hook_field_widget_settings_summary_alter(&$summary, $context) {
   // Append a message to the summary when an instance of foo_widget has

core/modules/field_ui/field_ui.module

@@ -144,7 +144,7 @@ function field_ui_entity_operation(EntityInterface $entity) {
   // of another and that type has field UI enabled.
   if (($bundle_of = $info->getBundleOf()) && \Drupal::entityManager()->getDefinition($bundle_of)->get('field_ui_base_route')) {
     $account = \Drupal::currentUser();
-    if ($account->hasPermission('administer '. $bundle_of . ' fields')) {
+    if ($account->hasPermission('administer ' . $bundle_of . ' fields')) {
       $operations['manage-fields'] = array(
         'title' => t('Manage fields'),
         'weight' => 15,
@@ -153,7 +153,7 @@ function field_ui_entity_operation(EntityInterface $entity) {
         )),
       );
     }
-    if ($account->hasPermission('administer '. $bundle_of . ' form display')) {
+    if ($account->hasPermission('administer ' . $bundle_of . ' form display')) {
       $operations['manage-form-display'] = array(
         'title' => t('Manage form display'),
         'weight' => 20,
@@ -162,7 +162,7 @@ function field_ui_entity_operation(EntityInterface $entity) {
         )),
       );
     }
-    if ($account->hasPermission('administer '. $bundle_of . ' display')) {
+    if ($account->hasPermission('administer ' . $bundle_of . ' display')) {
       $operations['manage-display'] = array(
         'title' => t('Manage display'),
         'weight' => 25,

core/modules/field_ui/src/Plugin/Derivative/FieldUiLocalTask.php

@@ -186,4 +186,5 @@ class FieldUiLocalTask extends DeriverBase implements ContainerDeriverInterface
       }
     }
   }
+
 }

core/modules/field_ui/src/Tests/FieldUIIndentationTest.php

@@ -37,4 +37,5 @@ class FieldUIIndentationTest extends WebTestBase {
     $this->drupalGet('admin/structure/types/manage/page/display');
     $this->assertRaw('js-indentation indentation');
   }
+
 }

core/modules/field_ui/src/Tests/ManageDisplayTest.php

@@ -304,7 +304,7 @@ class ManageDisplayTest extends WebTestBase {
     $field_test_with_prepare_view_settings = $formatter_plugin_manager->getDefaultSettings('field_test_with_prepare_view');
     $output = array(
       'field_test_default' => $field_test_default_settings['test_formatter_setting'] . '|' . $value,
-      'field_test_with_prepare_view' => $field_test_with_prepare_view_settings['test_formatter_setting_additional'] . '|' . $value. '|' . ($value + 1),
+      'field_test_with_prepare_view' => $field_test_with_prepare_view_settings['test_formatter_setting_additional'] . '|' . $value . '|' . ($value + 1),
     );
 
     // Check that the field is displayed with the default formatter in 'rss'
@@ -470,7 +470,7 @@ class ManageDisplayTest extends WebTestBase {
     $clone = clone $node;
     $element = node_view($clone, $view_mode);
     $output = \Drupal::service('renderer')->renderRoot($element);
-    $this->verbose(t('Rendered node - view mode: @view_mode', array('@view_mode' => $view_mode)) . '<hr />'. $output);
+    $this->verbose(t('Rendered node - view mode: @view_mode', array('@view_mode' => $view_mode)) . '<hr />' . $output);
 
     // Assign content so that WebTestBase functions can be used.
     $this->setRawContent($output);

core/modules/field_ui/src/Tests/ManageFieldsTest.php

@@ -79,7 +79,7 @@ class ManageFieldsTest extends WebTestBase {
     // Create random field name with markup to test escaping.
     $this->fieldLabel = '<em>' . $this->randomMachineName(8) . '</em>';
     $this->fieldNameInput = strtolower($this->randomMachineName(8));
-    $this->fieldName = 'field_'. $this->fieldNameInput;
+    $this->fieldName = 'field_' . $this->fieldNameInput;
 
     // Create Basic page and Article node types.
     $this->drupalCreateContentType(array('type' => 'page', 'name' => 'Basic page'));

core/modules/field_ui/templates/field-ui-table.html.twig

@@ -24,7 +24,7 @@
  *   - no_striping: A flag indicating that the row should receive no
  *     'even / odd' styling. Defaults to FALSE.
  *   - cells: Table cells of the row. Each cell contains the following keys:
- *     - tag: The HTML tag name to use; either TH or TD.
+ *     - tag: The HTML tag name to use; either 'th' or 'td'.
  *     - attributes: Any HTML attributes, such as "colspan", to apply to the
  *       table cell.
  *     - content: The string to display in the table cell.

core/modules/field_ui/tests/src/Kernel/EntityDisplayTest.php

@@ -113,7 +113,7 @@ class EntityDisplayTest extends KernelTestBase {
   }
 
   /**
-   *  Test sorting of components by name on basic CRUD operations
+   * Test sorting of components by name on basic CRUD operations
    */
   public function testEntityDisplayCRUDSort() {
     $display = EntityViewDisplay::create(array(