Eliminate the use of `extract()` in `WP_Upgrader`.
	
See #22400.


git-svn-id: https://develop.svn.wordpress.org/trunk@28418 602fd350-edb4-49c9-b593-d223f7449a82
Set `@param` back to `$output`, not `$html`, in the inline filter docs. This was a copy/paste mistake.

See #22400.



git-svn-id: https://develop.svn.wordpress.org/trunk@28419 602fd350-edb4-49c9-b593-d223f7449a82