MarsSeed [1] filed a deletion request for ros-noetic-easy-markers [2]: Fails to build. Unused EOL package from 2020. (Current AUR version is from a 2015 release. But even upstream last release, which is from 2020, cannot be built.)
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-noetic-easy-markers/
