subp2pgm(1) on Linux
The text 4fbdf9db30a0, as Debian 13 (Trixie), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
convert VobSub DVD subtitles into pgm files and xml description
Flags it lists
-
--forced -
--help -
--normalize -
--output -
--sid -
--verbose -
-f -
-h -
-n -
-o -
-s -
-v