MarsSeed [1] filed a deletion request for firefox-quickdial [2]: Abandoned Firefox extension pkg from 2017. The pkgname does not follow the established naming pattern (firefox- extension-*).
A much newer version of the addon can be acquired from addons.mozilla.org (and via Firefox UI itself). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/firefox-quickdial/
