Dear Alain and Andi,
I'll get back to this topic in due course. It has been so may years
ago, that I have to find and resurrect my notes. I'll get around to
Mr. Sciurus at that time.
Friedrich Wilhelm Rust's grandson, Thomaskantor Wilhelm Rust (d. 1892),
was indeed involved
What you type more or less aligns with the way I interpret it, if I understand
you correctly. However, some well known players do not interpret it so. For
example, in the first C maj volt, they hold the half note at the repeat mark
bar for three beats and then start over. I and you, I think,