Install libghc-hxt-relaxng-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-hxt-relaxng-doc
Description:
HXT RelaxNG validator; documentation
This is a part of Haskell XML Toolbox. . The HXT RelaxNG validator . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/UweSchmidt/hxt
Version: 9.1.5.5-8build2
Section: universe/doc