TrialnError [1] filed a deletion request for smex [2]: Technically, the "program" itself is working. But it is only a small script, which generates randomly a mix of a few chosen signs. I don't see the benefit in keeping this, especially since the original author and maintainer dropped it.
[1] https://aur.archlinux.org/account/TrialnError/ [2] https://aur.archlinux.org/pkgbase/smex/
