Long (-- style) options (.Fl) with mdoc(7)

[Yuri Pankov]

Steffen Nurpmeso wrote:
> Yuri Pankov wrote in <d07ec64e-5ad1-0960-d14b-a446077ee25b at xvoid.org>:
>   |Steffen Nurpmeso wrote:
>   |> The very moment i have seen a showmount(8) change fly by, and
>   |> wanted to make you aware of the persuading approach that NetBSD's
>   |> wizd(8) uses, namely ".Fl Fl long-option".  Different to ".Fl
>   |> -long-option" this produces visually appealing results on all
>   |> output devices.
>   |
>   |mandoc style guide advises differently:
>   |
>   |https://mandoc.bsd.lv/mdoc/style/options.html
>   |
>   |It's not authoritative, of course, but I'm not aware of any other mdoc
>   |style guide.  May be you could take it up to style guide/mandoc authors?
> 
> I can Cc: him.  That is _he_, who is totally opposed against long-
> options, isn't he?
> Whatever this guide says, if you do Postscript/PDF output (with
> groff) then Fl becomes a nice dash, whereas the other thing is
> a hyphen-minus.  I am using Fl Fl ever since i saw wizd(8)'s
> comment, tried it, and was satisfied by the results.  Despite that
> Fl Fl is ugly but logically deducable, too.

Note that I don't disagree on using Fl Fl, and quite some of our man 
pages already do it, I just want it documented at least somewhere so 
it's possible to link to it if there's a question how something should 
be done.