Install libghc-xmlgen-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-xmlgen-doc
Description:
fast XML generation library; documentation
Library for high-performance XML generation. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Version: 0.6.2.1-1
Section: universe/doc