You can clone with
HTTPS or Subversion.
If someone wants to load a page of HTML already in it, and then instantiate Views in their app, the Views should be able to look in the DOM and see if the HTML already exists.
Perhaps this could be done be looking for an existing element with the same ID. However, Views that don't have an explicit ID would need a different way, since Views without an ID generate a unique one.
This commit let's you specifically set an existing element to the View: 11c060d