Well, there's another point I haven't mentionned: I take - virtualy for the moment - all the responsabilities about any legal issues there. Fox, LFL, and Bantha music who is the publisher since the 1st release in 1980 and probably 1977, may have their word to say about such a "share".
Feedbacks may be then also a way to anticipate any future issue (who knows ?!!) as to underline the "necessity" or at least the interest of such a restoration work.