bug#33050: 27.0.50; [macOS] Problem with process input with process-connection-type nil

[Eli Zaretskii]

> Date: Fri, 26 Oct 2018 20:20:14 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 33050@debbugs.gnu.org, fgunbin@fastmail.fm, alan@idiocy.org
> 
> > From: Thomas Fitzsimmons <fitzsim@fitzsim.org>
> > Cc: fgunbin@fastmail.fm,  33050@debbugs.gnu.org,  alan@idiocy.org
> > Date: Fri, 26 Oct 2018 11:41:02 -0400
> > 
> > That said, it is probably a bad idea to warn or signal an error if all
> > ptys are busy in the p-c-t t case.  Anyway, I thought I'd mention it;
> > maybe the documentation update can address this point as well.
> 
> Right, thanks for pointing that out.

I've updated the documentation, please see if the new text makes
sense.