Scott Taylor 496b36db35 Add missing doc blocks to revision.php.
Clarify `@return` values where necessary.
In `wp_delete_post_revision()`, `wp_delete_post()` doesn't return `WP_Error`, so that check can be removed.
`wp_revisions_to_keep()` always returns an `int`, so `wp_revisions_enabled()` can use strict comparison.
 
See #32444.


git-svn-id: https://develop.svn.wordpress.org/trunk@32621 602fd350-edb4-49c9-b593-d223f7449a82
2015-05-27 18:37:29 +00:00
2015-03-13 18:11:33 +00:00
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