bug#50679: 28.0.50; outline-minor-mode-cycle should be able to only cycle at the begining of a line

[Juri Linkov]

> I didn't necessarily propose anything, it might only be able to solve
> this using a option like
>
>      (defcustom outline-minor-mode-cycle-predicate ...)
>
> as to allow for users to configure cycling as they see fit. Of course if
> some consistent behaviour could be found that respects other options and
> modes, then something automatic could also be used.

Probably offloading the decision to the users with a customizable option
is all what we can do here, indeed.