debian-xcontrol software package provides Extended syntax for debian/control files, 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 debian-xcontrol
debian-xcontrol is installed in your system.
Make ensure the debian-xcontrol package were installed using the commands given below,
$ sudo dpkg-query -l | grep debian-xcontrol *
You will get with debian-xcontrol package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | debian-xcontrol |
| Version | 0.0.4-1.1build7 |
| Description | Extended syntax for debian/control files |
| Sub Section | Devel |