didjvu(1) on Linux
The text 853e72002cfd, as Debian 9 (Stretch) shipped it.
DjVu encoder with foreground/background separation
Flags it lists
-
--bg-crcb -
--bg-subsample -
--clean -
--dpi -
--fg-crcb -
--fg-slices -
--fg-subsample -
--help -
--loss-level -
--lossless -
--lossy -
--mask -
--masks -
--method -
--output -
--output-template -
--page-id-template -
--pages-per-dict -
--param -
--quiet -
--verbose -
--version -
--xmp -
-d -
-h -
-m -
-o -
-p -
-q -
-v -
-x