Install libgraphite2-utils by entering the following commands in the terminal:
sudo apt update sudo apt install libgraphite2-utils
Description:
Font rendering engine for Complex Scripts -- utilities
Graphite is a system that can be used to create and use "smart fonts" capable of displaying writing systems with various complex behaviors, such as: contextual shaping, ligatures, reordering, split glyphs, bidirectionality, stacking diacritics and complex positioning. . This package contains gr2fonttest.
Homepage: http://graphite.sil.org/
Version: 1.3.11-2
Section: universe/fonts