Install aplus-fsf-doc by entering the following commands in the terminal:
sudo apt update sudo apt install aplus-fsf-doc
Description:
A+ programming language documentation
This package contains the HTML documentation and examples for the A+ programming language and development environment. See the package aplus-fsf for the run-time environment, and aplus-fsf-dev for the development environment.
Version: 4.22.1-10
Section: universe/doc