image-dired-modify-mark-on-thumb-original-file

image-dired-modify-mark-on-thumb-original-file is a compiled Lisp function in `image-dired.el'.

(image-dired-modify-mark-on-thumb-original-file COMMAND)

Modify mark in dired buffer.
COMMAND is one of 'mark for marking file in dired, 'unmark for
unmarking file in dired or 'flag for flagging file for delete in
dired.