And a note on how these Hollywood concept theft things work...If even only one line is the same in both scripts the case is won. A playwrite successfully sued Spielberg for ET. Her one act play contained the line "ET phone home". Art Buchwald won $600k from the producers of Eddie Murphy's Coming to America on the basis of a one line idea he had written ten years earlier. The line was (paraphrase) Young African Prince comes to New York.
Interesting.
If the film makers in Hollywood are so brilliant and creative they would come up with stuff that has never be seen before. And that, for the most part, doesn't happen.
You are then, of course, familiar with the movie The Player.
And BTW- Dark Lady of the Sonnets is a play by George Bernard Shaw. Has he had many movies produced in Hollywood??? I didn't realize he was a Hollywood movie producer at all.