Inline documentation for hooks in wp-includes/pluggable.php.

Props kpdesign for some cleanup.
Fixes #26888.


git-svn-id: https://develop.svn.wordpress.org/trunk@27825 602fd350-edb4-49c9-b593-d223f7449a82
Inline documentation for hooks in wp-includes/class.wp-styles.php.

Props lkwdwrd.
Fixes #27445.


git-svn-id: https://develop.svn.wordpress.org/trunk@27826 602fd350-edb4-49c9-b593-d223f7449a82
Inline documentation for hooks in wp-includes/taxonomy.php.

Props kpdesign for some minor language tweaks.
Fixes #27505.


git-svn-id: https://develop.svn.wordpress.org/trunk@27827 602fd350-edb4-49c9-b593-d223f7449a82