I think that that's the point of it being metrically identical. You can work in Courier Prime any time you want, and then switch to Courier for submitting your

I think that that's the point of it being metrically identical. You can work in Courier Prime any time you want, and then switch to Courier for submitting your screenplay without worrying about it changing the pagination. So it can help out any time you are working on your screenplay or working on it with anyone you know won't care, both before and after submission.