Dear Giuseppe, thank you for your report,
registration to IANA is not difficult, can you find somebody who is willing to do it ? https://www.iana.org/form/media-types Have a nice day, Charles -- Charles Plessy Nagahama, Yomitan, Okinawa, Japan Debian Med packaging team http://www.debian.org/devel/debian-med Tooting from work, https://mastodon.technology/@charles_plessy Tooting from home, https://framapiaf.org/@charles_plessy