app-editors/nvi is based on very old code needing a lot of patches, and
can be well replaced by >=app-edtors/vim-8.1.1155[minimal].
no patches and updates since 2010?
Seems to be really dead.
I think you should really last rite it.
see "Removing a package"
Please ask on IRC, if you need help.
It is not that dead, a few patches have been accepted since 2010:
The last time I heard anything from the maintainer was in January 2017.
The bug has been referenced in the following commit(s):
Author: Michał Górny <firstname.lastname@example.org>
AuthorDate: 2020-02-17 07:41:29 +0000
Commit: Michał Górny <email@example.com>
CommitDate: 2020-02-17 08:17:23 +0000
package.mask: Last rite app-editors/nvi
Signed-off-by: Michał Górny <firstname.lastname@example.org>
profiles/package.mask | 8 ++++++++
1 file changed, 8 insertions(+)