Consider adding language internationalization.

[DavidGriffith]

This was pointed out in https://www.intfiction.org/forum/viewtopic.php?f=38&t=3937&start=10#p139440

I know this is a detail, but is it possible to propose in the command line options a translation of the sentence: [Hit any key to exit.] (for other languages.)
Code:

# Exit_sentence "Hit any key to exit."
Exit_sentence "Appuyez sur une touche pour quitter."