MarsSeed [1] filed a deletion request for ietf-xml2rfc [2]: Orphan, outdated duplicate from 2020 of the much longer existing AUR/xml2rfc package, and the 'ietf-' name prefix is not needed.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ietf-xml2rfc/
