FredBezies [1] filed a deletion request for m4b-converter-git [2]: Long dead project. No commit since 2010. See https://github.com/valekhz/m4b-converter
[1] https://aur.archlinux.org/account/FredBezies/ [2] https://aur.archlinux.org/pkgbase/m4b-converter-git/
