You're reading the documentation for a version of ROS 2 that has reached its EOL (end-of-life), and is no longer officially supported. If you want up-to-date information, please have a look at Iron.
Using Sphinx for cross-referencing packages
This page provides a quick guide on how you can cross-reference package documentation within rosindex using Sphinx.
Inventory files must be added to ROSIndex Sphinx’s
conf.py file found here. Note that the
URI added to the configuration file must point to the directory where the
.inv file is rather than to the file itself (i.e:
https://docs.ros.org/independent/api/catkin_pkg instead of
Links to source code can be created as follows:
Links to other pages in this documentation: