File: //usr/lib/nn/help/help.sort
MENU SORTING MODES AND COMMANDS
Variable: sort-mode
Determines the default menu sorting method. It is a numeric
value corresponding to the modes described below:
:sort
Sort articles on menu according to current sort-mode.
:sort arrival (sort-mode 0)
Sort articles in arrival, i.e. article number order.
:sort subject (sort-mode 1)
Articles are grouped according to subject, each article within
a group is sorted according to posting date and time, and
the groups are sorted according to the age of the first article
in each group.
:sort lexical (sort-mode 2)
Articles are sorted in lexicographical order on subject.
Articles with identical subjects are sorted after age.
:sort age (sort-mode 3)
Articles ordered after posting date only.
:sort sender (sort-mode 4)
Articles ordered after sender's name.
Articles from same sender are sorted on age.