* The solution
install man-db into your home profile
* The explanation
mandb -k and whatis use a database of cached info called index.something.
multiple databases can be loaded and MANPATH can be used to find them.
index.db is only created if man-db is in profile. (guix/guix/profiles.scm,
man
> > I can’t check right now, but I’m guessing a plain `cabal install`
> > would also add base64-bytestring to GHC’s visible packages?
>
> I tested with cabal-install and it somehow manages to hide the haskell
> packages that are installed as dependencies.
Apparently cabal uses ghc environments[1]
