Inline documentation for hooks in wp-admin/includes/update-core.php.

Props JoshuaAbenazer, kpdesign.
Fixes #25998.

Built from https://develop.svn.wordpress.org/trunk@27047


git-svn-id: http://core.svn.wordpress.org/trunk@26921 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-admin/includes/export.php.

Props cmmarslender, kpdesign.
Fixes #26894.

Built from https://develop.svn.wordpress.org/trunk@27048


git-svn-id: http://core.svn.wordpress.org/trunk@26922 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-includes/class-http.php.

Props kraftbj for the initial patches. Props kpdesign, DrewAPicture.
Fixes #26049.

Built from https://develop.svn.wordpress.org/trunk@27049


git-svn-id: http://core.svn.wordpress.org/trunk@26923 1a063a9b-81f0-0310-95a4-ce76da25c4cd