MarsSeed [1] filed a deletion request for libsidplayfp-experimental- svn [2]: As of 2021-02-01, project source got migrated to git repo on GitHub [a]: https://github.com/libsidplayfp/libsidplayfp Therefore this SVN based VCS package is not needed anymore. There are no votes or comments, so it's safe to delete. [a]: https://sourceforge.net/projects/sidplay-residfp/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libsidplayfp-experimental-svn/