Install libghc-sdl-mixer-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-sdl-mixer-doc
Description:
Haskell SDL Mixer binding for GHC - documentation
This package provides the documentation for the SDL Mixer library bindings for the Haskell programming language. SDL Mixer is a sample multi-channel audio mixer library.
Homepage: http://hackage.haskell.org/package/SDL-mixer
Version: 0.6.1-11build3
Section: universe/doc