New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/20798#issuecomment-611832763

Comment:
> replaces='bro>=0"?

`xbps-remove -o` will remove zeek if using replaces,
because it's not explicitly installed and no packages depends on it.

If xbps-pkgdb can mark zeek as manual when bro is manual, I think it's fine.