fmt(1) on Linux
The text 19e585165df1, as Debian 9 (Stretch) shipped it.
simple optimal text formatter
Flags it lists
-
--crown-margin -
--goal -
--help -
--prefix -
--split-only -
--tagged-paragraph -
--uniform-spacing -
--version -
--width -
-c -
-g -
-p -
-s -
-t -
-u -
-w