nxdialog(1) on Linux
The text fc0e5e055697, as Debian 13 (Trixie) shipped it. The page shows this text now.
NX Dialog Helper
Flags it lists
-
--allowmultiple -
--caption -
--class -
--dialog -
--display -
--help -
--local -
--message -
--parent -
--window -
-h