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

core/lib/Drupal/Component/Diff/Engine/DiffEngine.php

@@ -453,4 +453,5 @@ class DiffEngine {
       }
     }
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/DiffOp.php

@@ -8,9 +8,9 @@ namespace Drupal\Component\Diff\Engine;
  * @subpackage DifferenceEngine
  */
 class DiffOp {
-  var $type;
-  var $orig;
-  var $closing;
+  public $type;
+  public $orig;
+  public $closing;
 
   public function reverse() {
     trigger_error('pure virtual', E_USER_ERROR);
@@ -23,4 +23,5 @@ class DiffOp {
   public function nclosing() {
     return $this->closing ? sizeof($this->closing) : 0;
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/DiffOpAdd.php

@@ -8,7 +8,7 @@ namespace Drupal\Component\Diff\Engine;
  * @subpackage DifferenceEngine
  */
 class DiffOpAdd extends DiffOp {
-  var $type = 'add';
+  public $type = 'add';
 
   public function __construct($lines) {
     $this->closing = $lines;
@@ -18,4 +18,5 @@ class DiffOpAdd extends DiffOp {
   public function reverse() {
     return new DiffOpDelete($this->closing);
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/DiffOpChange.php

@@ -8,7 +8,7 @@ namespace Drupal\Component\Diff\Engine;
  * @subpackage DifferenceEngine
  */
 class DiffOpChange extends DiffOp {
-  var $type = 'change';
+  public $type = 'change';
 
   public function __construct($orig, $closing) {
     $this->orig = $orig;
@@ -18,4 +18,5 @@ class DiffOpChange extends DiffOp {
   public function reverse() {
     return new DiffOpChange($this->closing, $this->orig);
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/DiffOpCopy.php

@@ -8,7 +8,7 @@ namespace Drupal\Component\Diff\Engine;
  * @subpackage DifferenceEngine
  */
 class DiffOpCopy extends DiffOp {
-  var $type = 'copy';
+  public $type = 'copy';
 
   public function __construct($orig, $closing = FALSE) {
     if (!is_array($closing)) {
@@ -21,4 +21,5 @@ class DiffOpCopy extends DiffOp {
   public function reverse() {
     return new DiffOpCopy($this->closing, $this->orig);
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/DiffOpDelete.php

@@ -8,7 +8,7 @@ namespace Drupal\Component\Diff\Engine;
  * @subpackage DifferenceEngine
  */
 class DiffOpDelete extends DiffOp {
-  var $type = 'delete';
+  public $type = 'delete';
 
   public function __construct($lines) {
     $this->orig = $lines;
@@ -18,4 +18,5 @@ class DiffOpDelete extends DiffOp {
   public function reverse() {
     return new DiffOpAdd($this->orig);
   }
+
 }

core/lib/Drupal/Component/Diff/Engine/HWLDFWordAccumulator.php

@@ -5,8 +5,7 @@ namespace Drupal\Component\Diff\Engine;
 use Drupal\Component\Utility\Unicode;
 
 /**
- *  Additions by Axel Boldt follow, partly taken from diff.php, phpwiki-1.3.3
- *
+ * Additions by Axel Boldt follow, partly taken from diff.php, phpwiki-1.3.3
  */
 
 /**
@@ -76,4 +75,5 @@ class HWLDFWordAccumulator {
     $this->_flushLine('~done');
     return $this->lines;
   }
+
 }