Let's add some kind of tag like: @PUBLIC_INHERIT: foo bar that would indicate that the eclass implicitly exposes the functions of another eclass, e.g. that if you inherit python-r1 you can also use functions from python-utils-r1 without inheriting that one.
This is @PROVIDES (https://www.mail-archive.com/gentoo-dev@lists.gentoo.org/msg93323.html). https://github.com/projg2/eclass-to-manpage/commit/664ffc68c5c421766355345a12d3cb19f0184705 https://github.com/projg2/eclass-to-manpage/commit/7a669210095b6878b8d953cc77b59e1c72ad52bd