Binary package “libghc-base-prelude-doc” in ubuntu lunar

most complete prelude formed solely from the "base" package; documentation

 A library which aims to reexport all the non-conflicting and
 most general definitions from the base package.
 This includes APIs for applicatives, arrows, monoids, foldables,
 traversables, exceptions, generics, ST, MVars and STM.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.