Inline documentation for the Walker_Comment class in wp-includes/comment-template.php

Fixes #25388.

Built from https://develop.svn.wordpress.org/trunk@25588


git-svn-id: http://core.svn.wordpress.org/trunk@25505 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-admin/admin-post.php.

Props ericlewis, kpdesign.
Fixes #25361.

Built from https://develop.svn.wordpress.org/trunk@25589


git-svn-id: http://core.svn.wordpress.org/trunk@25506 1a063a9b-81f0-0310-95a4-ce76da25c4cd