Ticket #54835: #54835.patch

post.php

@@ -2273 +2273 @@
  * @return bool True on success, false on failure.
  */
 function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) {
-        // Make sure meta is added to the post, not a revision.
+        // Make sure meta is deleted from the post, not from revision.
         $the_post = wp_is_post_revision( $post_id );
         if ( $the_post ) {
                 $post_id = $the_post;
@@ -2325 +2325 @@
  *                  is the same as the one that is already in the database.
  */
 function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) {
-        // Make sure meta is added to the post, not a revision.
+        // Make sure meta is updated for the post, not for revision.
         $the_post = wp_is_post_revision( $post_id );
         if ( $the_post ) {
                 $post_id = $the_post;