Install ducktype by entering the following commands in the terminal:
sudo apt update sudo apt install ducktype
Description:
Command-line tool for Ducktype, a lightweight documentation syntax
Ducktype is a lightweight non-XML syntax for Mallard, a topic-oriented markup language for help files. Mallard is primarily used in GNOME help. . This package contains the ducktype command-line tool, which can be used to convert Ducktype documents into the Mallard XML format for further processing by the tools and stylesheets in the yelp-tools and yelp-xsl packages.
Homepage: https://github.com/projectmallard/mallard-ducktype
Version: 0.4-2
Section: universe/python