Variable: gnus-subthread-sort-functions
gnus-subthread-sort-functions is a customizable variable defined in
gnus-sum.el.gz.
Value
gnus-thread-sort-functions
Documentation
List of functions used for sorting subthreads in the summary buffer.
By default, subthreads are sorted the same as threads, i.e.,
according to the value of gnus-thread-sort-functions.
This variable was added, or its default value changed, in Emacs 24.4.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-sum.el.gz
(defcustom gnus-subthread-sort-functions 'gnus-thread-sort-functions
"List of functions used for sorting subthreads in the summary buffer.
By default, subthreads are sorted the same as threads, i.e.,
according to the value of `gnus-thread-sort-functions'."
:version "24.4"
:group 'gnus-summary-sort
:type '(choice
(const :tag "Sort subthreads like threads" gnus-thread-sort-functions)
(repeat
(gnus-widget-reversible
(choice (function-item gnus-thread-sort-by-number)
(function-item gnus-thread-sort-by-author)
(function-item gnus-thread-sort-by-recipient)
(function-item gnus-thread-sort-by-subject)
(function-item gnus-thread-sort-by-date)
(function-item gnus-thread-sort-by-score)
(function-item gnus-thread-sort-by-most-recent-number)
(function-item gnus-thread-sort-by-most-recent-date)
(function-item gnus-thread-sort-by-newsgroups)
(function-item gnus-thread-sort-by-random)
(function-item gnus-thread-sort-by-total-score)
(function :tag "other"))
(boolean :tag "Reverse order")))))