Variable: gnus-unseen-mark
gnus-unseen-mark is a customizable variable defined in gnus-sum.el.gz.
Value
46
Documentation
Mark used for articles that haven't been seen.
This variable was added, or its default value changed, in Emacs 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-sum.el.gz
(defcustom gnus-unseen-mark ?.
"Mark used for articles that haven't been seen."
:version "22.1"
:group 'gnus-summary-marks
:type 'character)