bug#60103: 28.2; Doc string of `previous-history-element'

[Drew Adams]

> > The doc string says this:
> >
> >   Puts previous element of the minibuffer history in the minibuffer.
> >   With argument N, it uses the Nth previous element.
> >
> > That second line makes it sound like arg N is optional.  It's not -
> > there is no _without_ argument N.
> 
> What do you mean by "no _without_"?  This command is bound to M-p in
> the minibuffer, and I can definitely invoke it as "just" M-n,
> _without_ any prefix argument.

I mean "without argument N", not "without a prefix
arg".

It's not possible to invoke the function without
providing argument N - it's not optional.

If you want to say something like "With numeric
prefix argument N..." then that would be fine.

Thx.