libghc-gtk-doc 0.14.7-1build2 (arm64 binary) in ubuntu bionic

 This is the core library of the Gtk2Hs suite of libraries for Haskell based on
 Gtk+. Gtk+ is an extensive and mature multi-platform toolkit for creating
 graphical user interfaces.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.