Well, here's a little speculation on my part. Empire of Dreams was made with a lot of help and insight from Lucasfilm and Lucas himself, right? Well, remember when they start talking about The Empire Strikes Back? They make a mention of the first movie by saying something like, "Star Wars, now dubbed Episode IV: A New Hope..." That makes it sound like it was something that was thought up later. And if it was not true, I'd think Lucasfilm would jump on that misrepresentation. Is that conclusive? No. That's just an observation I made. Hell, I'm not even convinced one way or the other that A New Hope did or didn't exist or when it came into existence in the first place.