MarsSeed [1] filed a deletion request for rxvt-unicode-downgrade [2]: (Slightly older) duplicate of repo's rxvt-unicode.
This is not allowed by AUR submission guidelines [a]: “ * The submitted PKGBUILDs must not build applications already in any of the official binary repositories under any circumstances. Check the official package database for the package. If **any version of it exists**, do not submit the package. If the official package is out- of-date, flag it as such. **If the official package is broken or is lacking a feature, then please file a bug report.** “ (**emphasis** mine) [a]: https://wiki.archlinux.org/title/AUR_submission_guidelines [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/rxvt-unicode-downgrade/
