Install libghc-recaptcha-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-recaptcha-doc
Description:
Haskell interface to reCAPTCHA service; documentation
reCAPTCHA (http://recaptcha.net/) is a service that provides captchas for preventing automated spam in web applications, using the data people submit to digitize old books and newspapers. haskell-recaptcha provides functions for using reCAPTCHA in Haskell web applications. . 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://github.com/jgm/recaptcha/tree/master
Version: 0.1.0.3-5build5
Section: universe/doc