Fix a phpdoc typo and multi-line comment syntax in wp-cron.php.

Props rclations.
Fixes #28231.


git-svn-id: https://develop.svn.wordpress.org/trunk@28380 602fd350-edb4-49c9-b593-d223f7449a82
Eliminate use of `extract()` in `wp-includes/theme-compat/comments-popup.php`. 

See #22400.


git-svn-id: https://develop.svn.wordpress.org/trunk@28381 602fd350-edb4-49c9-b593-d223f7449a82