Install libghc-pem-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-pem-doc
Description:
Privacy Enhanced Mail (PEM) format reader and writer; documentation
It is for reading and writing PEM (Privacy Enhanced Mail; see RFCs 1421 through 1424) structures. . 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://github.com/vincenthz/hs-pem
Version: 0.2.2-7build1
Section: universe/doc