New commands for navigating completions from the minibuffer.

New commands for navigating completions from the minibuffer.

* lisp/simple.el (minibuffer-local-shell-command-map):
* lisp/minibuffer.el (minibuffer-local-completion-map):
Bind "M-<up>" to minibuffer-choose-previous-completion,
"M-<down>" to minibuffer-choose-next-completion,
"M-S-<up>" to minibuffer-previous-completion,
"M-S-<down>" to minibuffer-next-completion,
"M-RET" to minibuffer-choose-completion.
(with-minibuffer-completions-window): New macro.
(minibuffer-previous-completion, minibuffer-next-completion)
(minibuffer-choose-previous-completion)
(minibuffer-choose-next-completion)
(minibuffer-choose-completion): New commands.

https://lists.gnu.org/archive/html/emacs-devel/2022-03/msg00335.html