On 2025-05-19 14:18, Christian Kastner wrote: > I'm guessing that this isn't a dh_installalternatives limitation but a > limitation of the underlying system bubbling up.
Huh, my guess was wrong. `update-alternatives --install` has no problem with the directory, so this appears to be a limitation of dh_installalternatives, filed as #1106089. Best, Christian