Install xgridfit-doc by entering the following commands in the terminal:
sudo apt update sudo apt install xgridfit-doc
Description:
Documentation for xgridfit
Xgridfit is a simple program that implements an XML-based language for gridfitting, or "hinting," TrueType fonts. . This package contains document for xgridfit.
Homepage: http://xgridfit.sourceforge.net/
Version: 2.3-2
Section: universe/doc