Install kdoctools5 by entering the following commands in the terminal:
sudo apt update sudo apt install kdoctools5
Description:
Tools to generate documentation in various formats from DocBook
KDocTools is a set of tools to generate documentation in various formats from DocBook files. . This package is part of KDE Frameworks 5.
Homepage: https://projects.kde.org/projects/frameworks/kdoctools
Version: 5.44.0-0ubuntu1
Section: universe/doc