bug#957: 23.0.60; No doc string for Dired functions

[Lars Magne Ingebrigtsen]

"Drew Adams" <drew.adams@oracle.com> writes:

> There is still no doc string for many useful Dired functions, from
> things like `dired-repeat-overlines' to all of the tree Dired
> non-interactive functions. At a minimum, the arguments should be
> described in a doc string. Even some commands, like `dired-kill-line',
> still have no doc.

I've added a doc to `dired-kill-line', but I don't know what
`dired-repeat-overlines' is...

And the noninteractive functions don't need doc strings, really, do
they?

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