bug#30233: 27.0.50; There should be a variant of C-x # that causes Emacsclient to exit with a nonzero exit code

[Philipp]

> Am 23.01.2018 um 18:45 schrieb p.stephani2@gmail.com:
> 
> 
> Many programs invoke $EDITOR and wait for it to return to enter some
> input.  EDITOR can be set to emacsclient, of course.  However, there's
> no way to have emacsclient exit with a nonzero exit code.  That can be
> useful in some cases, because callers invoking $EDITOR often react on
> the exit code, e.g. by aborting some operation.  Therefore it would be
> nice to have a variant of C-x # that would cause emacsclient to exit
> with a nonzero exit code.
> 

I guess this is the same as Bug#11358.