tsdvbsub(1) on Linux
The text 8103063c5139, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
Dump DVB subtitling from a stream
Flags it lists
-
-err -
-m -
-max -
-pid -
-prog -
-q -
-quiet -
-stdin -
-v -
-verbose