gir1.2-gucharmap-2.90 software package provides GObject introspection data for the Unicode browser widget library, 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 gir1.2-gucharmap-2.90
gir1.2-gucharmap-2.90 is installed in your system.
Make ensure the gir1.2-gucharmap-2.90 package were installed using the commands given below,
$ sudo dpkg-query -l | grep gir1.2-gucharmap-2.90 *
You will get with gir1.2-gucharmap-2.90 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | gir1.2-gucharmap-2.90 |
| Version | 1:3.18.2-1ubuntu1 |
| Description | GObject introspection data for the Unicode browser widget library |
| Sub Section | Libs |