* lisp/dired-aux.el (dired-do-async-shell-command): Doc fix.

* lisp/dired-aux.el (dired-do-async-shell-command): Doc fix.
(dired-do-async-shell-command): Don't add `*' at the end of the
command (Bug#11815).
(dired-do-shell-command): Doc fix.
(dired-shell-stuff-it): Strip the trailing "&" and ";" if any.
Join the individual commands using either "&" or ";" as the
separator depending on the values of these trailing characters.
At the end re-add the trailing "&".  (Bug#10598)

* lisp/simple.el (async-shell-command): Sync the interactive spec with
`shell-command'.  Doc fix.
(shell-command): Doc fix.