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

core/modules/language/language.module

@@ -168,7 +168,7 @@ function language_entity_base_field_info_alter(&$fields) {
   foreach ($fields as $definition) {
     // Set configurable form display for language fields with display options.
     if ($definition->getType() == 'language') {
-      foreach (array('form', 'view') as $type)  {
+      foreach (array('form', 'view') as $type) {
         if ($definition->getDisplayOptions($type)) {
           // The related configurations will be purged manually on Language
           // module uninstallation. @see language_modules_uninstalled().

core/modules/language/src/ConfigurableLanguageManager.php

@@ -387,7 +387,7 @@ class ConfigurableLanguageManager extends LanguageManager implements Configurabl
       $type = 'language_fallback_candidates';
       $types = array();
       if (!empty($context['operation'])) {
-        $types[] = $type . '_' .  $context['operation'];
+        $types[] = $type . '_' . $context['operation'];
       }
       $types[] = $type;
       $this->moduleHandler->alter($types, $candidates, $context);

core/modules/language/src/ContentLanguageSettingsInterface.php

@@ -39,7 +39,7 @@ interface ContentLanguageSettingsInterface extends ConfigEntityInterface {
    * @param string $default_langcode
    *   The default language code.
    *
-   * @return $this;
+   * @return $this
    */
   public function setDefaultLangcode($default_langcode);
 

core/modules/language/src/Form/NegotiationBrowserForm.php

@@ -211,4 +211,5 @@ class NegotiationBrowserForm extends ConfigFormBase {
     }
     return $config->get('map');
   }
+
 }

core/modules/language/src/LanguageServiceProvider.php

@@ -100,4 +100,5 @@ class LanguageServiceProvider extends ServiceProviderBase {
     }
     return FALSE;
   }
+
 }

core/modules/language/src/Plugin/Condition/Language.php

@@ -19,7 +19,6 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  *     "language" = @ContextDefinition("language", label = @Translation("Language"))
  *   }
  * )
- *
  */
 class Language extends ConditionPluginBase implements ContainerFactoryPluginInterface {
 

core/modules/language/src/Tests/LanguageBlockSettingsVisibilityTest.php

@@ -23,4 +23,5 @@ class LanguageBlockSettingsVisibilityTest extends WebTestBase {
     $this->assertFieldByXPath('//input[@id="edit-visibility-language-langcodes-en"]', NULL, '\'English\' option appears at block config, language settings section.');
     $this->assertFieldByXpath('//input[@id="edit-visibility-language-langcodes-hu"]', NULL, '\'Hungarian\' option appears at block config, language settings section.');
   }
+
 }

core/modules/language/src/Tests/LanguageBrowserDetectionTest.php

@@ -86,4 +86,5 @@ class LanguageBrowserDetectionTest extends WebTestBase {
     $this->assertField('edit-mappings-xx-browser-langcode', 'xx', 'Browser language code found.');
     $this->assertField('edit-mappings-xx-drupal-langcode', 'zh-hans', 'Drupal language code found.');
   }
+
 }

core/modules/language/src/Tests/LanguageCustomLanguageConfigurationTest.php

@@ -97,4 +97,5 @@ class LanguageCustomLanguageConfigurationTest extends WebTestBase {
     ));
     $this->assertUrl(\Drupal::url('language.add', array(), array('absolute' => TRUE)), [], 'Correct page redirection.');
   }
+
 }

core/modules/language/src/Tests/LanguageListModuleInstallTest.php

@@ -37,4 +37,5 @@ class LanguageListModuleInstallTest extends WebTestBase {
     $this->rebuildContainer();
     $this->assertTrue(\Drupal::moduleHandler()->moduleExists('language'), 'Language module is enabled');
   }
+
 }

core/modules/language/src/Tests/LanguageListTest.php

@@ -61,7 +61,7 @@ class LanguageListTest extends WebTestBase {
     );
     $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
     $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE]));
-    $this->assertRaw('"edit-languages-' . $langcode .'-weight"', 'Language code found.');
+    $this->assertRaw('"edit-languages-' . $langcode . '-weight"', 'Language code found.');
     $this->assertText(t($name), 'Test language added.');
 
     $language = \Drupal::service('language_manager')->getLanguage($langcode);
@@ -205,4 +205,5 @@ class LanguageListTest extends WebTestBase {
     $conf_languages = $this->container->get('language_manager')->getLanguages();
     $this->assertEqual(array_diff_key($expected_conf_languages, $conf_languages), array(), 'Configurable languages loaded correctly.');
   }
+
 }

core/modules/language/src/Tests/LanguageLocaleListTest.php

@@ -69,4 +69,5 @@ class LanguageLocaleListTest extends WebTestBase {
     // Check the language list displayed is ordered.
     $this->assertTrue($options === $options_ordered, 'Language list is ordered.');
   }
+
 }

core/modules/language/src/Tests/LanguageNegotiationInfoTest.php

@@ -86,7 +86,7 @@ class LanguageNegotiationInfoTest extends WebTestBase {
     $test_type = 'test_language_type';
     $interface_method_id = LanguageNegotiationUI::METHOD_ID;
     $test_method_id = 'test_language_negotiation_method';
-    $form_field = $type . '[enabled]['. $interface_method_id .']';
+    $form_field = $type . '[enabled][' . $interface_method_id . ']';
     $edit = array(
       $form_field => TRUE,
       $type . '[enabled][' . $test_method_id . ']' => TRUE,

core/modules/language/src/Tests/LanguagePathMonolingualTest.php

@@ -69,4 +69,5 @@ class LanguagePathMonolingualTest extends WebTestBase {
     $this->assertResponse(200, 'Clicked link results in a valid page');
     $this->assertText(t('Add language'), 'Page contains the add language text');
   }
+
 }

core/modules/language/src/Tests/LanguageUILanguageNegotiationTest.php

@@ -532,4 +532,5 @@ class LanguageUILanguageNegotiationTest extends WebTestBase {
     $block = Block::load($block_id);
     $this->assertFalse($block, 'Language switcher block was removed.');
   }
+
 }

core/modules/language/tests/language_elements_test/src/Form/LanguageConfigurationElement.php

@@ -46,4 +46,5 @@ class LanguageConfigurationElement extends FormBase {
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
   }
+
 }

core/modules/language/tests/language_elements_test/src/Form/LanguageConfigurationElementTest.php

@@ -34,4 +34,5 @@ class LanguageConfigurationElementTest extends FormBase {
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
   }
+
 }

core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php

@@ -249,6 +249,7 @@ class LanguageNegotiationUrlTest extends UnitTestCase {
     );
     return $domain_configuration;
   }
+
 }
 
 }