Install libghc-happstack-jmacro-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-happstack-jmacro-doc
Description:
Support for using JMacro with Happstack; documentation
This package integrates jmacro with HAppStack . 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://www.happstack.com/
Version: 7.0.12-1build2
Section: universe/doc