GitLab

dired-quark-subst-regexp): New constants.
(dired-do-shell-command, dired-shell-stuff-it): Use them.
(dired-do-shell-command): Raise an error if both `*' and `?'
substitution marks are used in the same command.
(dired-shell-stuff-it): Substitute all instances of `*' and `?'
in a command given via dired-do-shell-command.