At long last, this main script editing draft, not officially given a draft number, is done. It was largely considered an extension of the fourth draft, but it was probably even more thorough than my third draft in the end. There were motivational issues causing long stretches of downtime since the start, so it's not like it was actively worked on during the whole period.
I'd have posted much more here, but I gave a
lengthy update in another thread several days ago, and most of the information there is still relevant.