Subject: bug#33601: 26; Add macro `with-hook-added'

From: Drew Adams <[email-masked]>
Date: Mon, 3 Dec 2018 11:03:09 -0800 (PST)

Maybe a better name would be `with-function-on-hook' or
`with-hook-function-added'.  It is the function, not the
hook, that is added (to the hook).