commit e60477842f1b095ebacbee49ad90e2d2b7e46e47
Author: Lee Rowlands <lee.rowlands@previousnext.com.au>
Date:   Thu Sep 12 12:52:05 2013 +1000

    Patch 1

diff --git a/core/modules/comment/lib/Drupal/comment/CommentFormController.php b/core/modules/comment/lib/Drupal/comment/CommentFormController.php
index 750f748..1599365 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentFormController.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentFormController.php
@@ -63,6 +63,9 @@ public function form(array $form, array &$form_state) {
       $author = $comment->name->value;
       $status = (isset($comment->status->value) ? $comment->status->value : COMMENT_NOT_PUBLISHED);
       $date = (!empty($comment->date) ? $comment->date : DrupalDateTime::createFromTimestamp($comment->created->value));
+      $form['#title'] = t('Edit comment %title', array(
+        '%title' => $comment->subject->value,
+      ));
     }
     else {
       if ($user->isAuthenticated()) {
diff --git a/core/modules/comment/lib/Drupal/comment/Tests/CommentInterfaceTest.php b/core/modules/comment/lib/Drupal/comment/Tests/CommentInterfaceTest.php
index 7ebb12e..270e38a 100644
--- a/core/modules/comment/lib/Drupal/comment/Tests/CommentInterfaceTest.php
+++ b/core/modules/comment/lib/Drupal/comment/Tests/CommentInterfaceTest.php
@@ -68,6 +68,9 @@ function testCommentInterface() {
 
     // Test changing the comment author to "Anonymous".
     $this->drupalGet('comment/' . $comment->id() . '/edit');
+    $this->assertTitle(t('Edit comment @title | Drupal', array(
+      '@title' => $comment->subject->value,
+    )));
     $comment = $this->postComment(NULL, $comment->comment_body->value, $comment->subject->value, array('name' => ''));
     $this->assertTrue(empty($comment->name->value) && $comment->uid->target_id == 0, 'Comment author successfully changed to anonymous.');