cbb  filed a deletion request for dex-editor :
Upstream hasn't made a commit in nearly 3 years. There's an improved and actively maintained fork that's also available via AUR (https://aur.archlinux.org/packages/dte/) and basically supersedes this package.
 https://aur.archlinux.org/account/cbb/  https://aur.archlinux.org/pkgbase/dex-editor/
Request #12016 has been accepted by demize .