sreformat(1) on Linux
The text de4523a89e8b, as Debian 4.0 (Etch) shipped it.
Flags it lists
-
--dewuss -
--mingap -
--nogap -
--pfam -
--sam -
--wussify -
-d -
-h -
-l -
-n -
-r -
-u -
-x