bug#39638: 26.3; recentf-auto-cleanup deceptive

[Lars Ingebrigtsen]

Allen Li <darkfeline@felesatra.moe> writes:

> 1. When setting recentf-auto-cleanup to a string, the timer does not
> repeat.  It is only set once.  This is in contrast to midnight-mode,
> which repeats its timer every day.  The documentation for
> recentf-auto-cleanup does not make this clear, and I'm not even sure if
> this was the intended behavior.

I think repeating the action makes a whole lot more sense, and since
the action wasn't spelled out before (and no response from the person
who originally committed the code), I've applied your patch to Emacs 28. 

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no