[Toybox] [PATCH] xargs: add --max-args synonym, -o option, and fix -p.

[enh]

yeah, i've yet to see anyone using this (unlike -I and -P), and given
-0 i don't think anyone should use it either. (but of course -0 isn't
in posix.)

On Fri, Aug 23, 2019 at 9:37 AM Rob Landley <rob at landley.net> wrote:
>
> On 8/23/19 11:09 AM, enh wrote:
> > No. Is it really TODO, or is it more like "this might have mattered 30 years
> > ago, but..."?
>
> Eh, Rich Felker was kinda adamant about it. But between:
>
>   https://github.com/landley/toybox/commit/48162c4ee3fb
>   https://github.com/landley/toybox/commit/833fb23fe8b4
>   https://github.com/landley/toybox/commit/8c588d822a47
>
> I've kind of lost faith in his judgement. He's not wrong about stuff _that_
> often, but when he is he digs in and doubles down.
>
> I should add a "deviations from posix" note, though.
>
> Rob