We should create a page on the web site that explains the relation between the major objects in webcore, especially when those relations can be null.
Created attachment 34635 [details]
Created attachment 34636 [details]
Transmitting file data ..
Committed revision 47085.
This diagram shows DOMWindow between Frame and Document. But it's not really like that.
(In reply to comment #4)
> This diagram shows DOMWindow between Frame and Document. But it's not really
> like that.
Ok. I'll see what I can do to fix that.