Install libghc-boxes-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-boxes-doc
Description:
2D text pretty-printing library; documentation
A pretty-printing library for laying out text in two dimensions, using a simple box model. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/boxes
Version: 0.1.4-4build2
Section: universe/doc