dired-unmark

dired-unmark is an interactive compiled Lisp function in `dired.el'.


(dired-unmark ARG &optional INTERACTIVE)

Unmark the file at point in the Dired buffer.
If the region is active, unmark all files in the region.
Otherwise, with a prefix arg, unmark files on the next ARG lines.

If looking at a subdir, unmark all its files except `.' and `..'.
If the region is active in Transient Mark mode, unmark all files
in the active region.