Function: dired-unmark-backward
dired-unmark-backward is an interactive and byte-compiled function
defined in dired.el.gz.
Signature
(dired-unmark-backward ARG)
Documentation
In Dired, move up lines and remove marks or deletion flags there.
Optional prefix ARG says how many lines to unmark/unflag; default is one line. If the region is active in Transient Mark mode, unmark all files in the active region.
Probably introduced at or before Emacs version 24.3.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/dired.el.gz
(defun dired-unmark-backward (arg)
"In Dired, move up lines and remove marks or deletion flags there.
Optional prefix ARG says how many lines to unmark/unflag; default
is one line.
If the region is active in Transient Mark mode, unmark all files
in the active region."
(interactive "p" dired-mode)
(dired-unmark (- arg) t))