aplus-fsf-el software package provides XEmacs lisp for A+ development, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aplus-fsf-el
aplus-fsf-el is installed in your system.
Make ensure the aplus-fsf-el package were installed using the commands given below,
$ sudo dpkg-query -l | grep aplus-fsf-el *
You will get with aplus-fsf-el package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Editors |
| Package | aplus-fsf-el |
| Version | 4.22.1-6 |
| Description | XEmacs lisp for A+ development |
| Sub Section | Editors |