While embedded views might seem like a great feature, they complicate view inheritance a lot. For example, as soon as embedded views are involved, field names are not guaranteed to be unique, and you'll usually have to use some elaborate XPaths to select elements within an embedded view.

So, in general, you should better define standalone views and use the form_view_ref and tree_view_ref keys, as described earlier in the Having an action open a specific view recipe of this chapter.