libghc-json-doc 0.9.1-5build3 (armhf binary) in ubuntu bionic

 JSON (JavaScript Object Notation) is a lightweight data-interchange format. It
 is easy for humans to read and write. It is easy for machines to parse and
 generate. It is based on a subset of the JavaScript Programming Language,
 Standard ECMA-262 3rd Edition - December 1999.
 .
 This library provides a parser and pretty printer for converting between
 Haskell values and JSON.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.