they are also accessible from the UI model via:
though I'm likely going to change "asciidocConfig" to just "asciidoc" for consistency.
I'd better like to listen to @mojavelinux 's opinion first, because maybe we devise something we can add to Antora to facilitate global navigation trees.
Could you clarify what that was about? Don't hesitate to open an issue. Even if we decide to close it in favor of something else, it is captured.