Greg Cox wrote:
On the other hand, I recently gave Uhura a line of dialogue that, in retrospect, sounded more like Zoe Saldana than Nichelle Nichols. I went back and tweaked it while doing some final revisions.
Well, that's different, I think. How they look is open to interpretation, but how they behave strikes me as a more genuine variation between timelines, because the characters have had different life experiences.