Install libfontbox2-java-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libfontbox2-java-doc
Description:
Java font library (Documentation)
The Apache FontBox library is an open source Java tool to obtain low level information from font files. . This package contains the documentation for version 2 of the library.
Homepage: http://pdfbox.apache.org
Version: 2.0.9-1
Section: universe/doc