xditview(1) on Linux
The text bb97e0427c0d, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
display ditroff output
Flags it lists
-
-backingStore -
-bd -
-bg -
-bw -
-display -
-fg -
-fn -
-geometry -
-noPolyText -
-page -
-resolution -
-rv -
-xrm