OK so this is now sorted thanks to Benny Degezelle of Monkeypatch. Benny
has put together an extension called
radiant-find_by_id_tag-extension
https://github.com/jomz/radiant-find_by_id_tag-extension
A demo of how it works is found here
https://youtu.be/F2nEtlWjBWE
the radius tag is so a
To futher explain, I have Food as the parent page and Fruit and Nuts as the
children. These each have children pages. But I also have a Healthy Food
page somewhere else and I want to link to just some of the food pages. So I
do this:
r:aggregate
