bug#43888: 28.0.50; emacsclient not working properly

[Eli Zaretskii]

> From: Gábor <hajovonta@gmail.com>
> Date: Fri, 9 Oct 2020 20:25:40 +0200
> 
> When issuing 'emacsclient README' command in a terminal (Emacs is
> running and server is started), I get the following:
> 
> Waiting for Emacs...
> *ERROR*: Wrong number of arguments: (1 . 4), 5

I cannot reproduce this.  Does this happen when Emacs is started as
"emacs -Q"?  If not, then some of your customizations has something to
do with this.