Install libghc-punycode-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-punycode-doc
Description:
Encode unicode strings to ascii forms according to RFC 3492; documentation
Encode unicode strings to ascii forms according to RFC 3492. It is written in pure Haskell. . 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/litherum/punycode
Version: 2.0-8build2
Section: universe/doc