[html5] Web Workers question

[Dylan Barrell]

I have a question about Web Workers

It seems like the spec http://www.whatwg.org/specs/web-workers/current-work/ 
  is somewhat confused about whether any documents are available in  
the GlobalWorkerScope.

On the one hand, it says that if the script creating the Worker's  
global object is a Window,  then the document should be added to the  
"worker's Documents",but then goes on to say that the DOM API is not  
available to the Worker in this version of the spec.

How does adding the document to the WorkerGlobalScope help if the DOM  
API is not available?
Doesn't this really reduce the usefulness of the Worker object by  
restricting it to tasks that have nothing to do with the DOM - e.g.  
analyzing it as it changes?

thoughts on this?

--Dylan