possible the embassy will accept it, but can not count on it 100%, as it might be at the discretion of the caseworker, as i don't think it is UKBA policy yet, even thou the supreme court says it should be allowed.
http://www.gcnchambers.co.uk/gcn/new...81_297_and_317
depends what they are sponsoring accommodation or finances..? evidence of bank statements, deeds , etc.. and a letter from them,,
but its worth a try,