idl-font-lock-el software package provides OMG IDL font-locking for Emacs, 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 idl-font-lock-el
idl-font-lock-el is installed in your system.
Make ensure the idl-font-lock-el package were installed using the commands given below,
$ sudo dpkg-query -l | grep idl-font-lock-el *
You will get with idl-font-lock-el package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Editors |
| Package | idl-font-lock-el |
| Version | 1.5-9 |
| Description | OMG IDL font-locking for Emacs |
| Sub Section | Editors |