Re: [Small change] Issue with dired-do-async-shell-command and certain shells

[Eli Zaretskii]

> From: Lycomedes 1814 <lycomedes1814@yandex.com>
> Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
> Date: Fri, 19 May 2023 01:22:04 +0200
> 
> Clarification: it works when "&wait" is changed to "& wait" and the two 
> instances of "&" are changed to
> "& ".

To which two instances of "&" are you alluding here?  Please show the
places in the code where you think this replacement should be done.