ArchangeGabriel [1] filed a deletion request for firefox-developer-es-
es [2]:
Superseded by firefox-developer-edition{,-i18n-es-es} in [community].
[1] https://aur.archlinux.org/account/ArchangeGabriel/
[2] https://aur.archlinux.org/pkgbase/firefox-developer-es-es/