:type '(radio (const :format "%v " nil) string)
:group 'gnus-thread)
(defcustom gnus-sum-thread-tree-single-indent ""
"With %B spec, used for a thread with just one message.
If nil, use subject instead."
:type '(radio (const :format "%v " nil) string)
:group 'gnus-thread)
(defcustom gnus-sum-thread-tree-single-indent ""
"With %B spec, used for a thread with just one message.
If nil, use subject instead."