[Movie] This Famous Medieval Book May Be a Hoax

[tavie]

[Edited/removed because I am just repeating stuff from other posts which won't help]

And I cannot think of any natural-language reason for how scribes avoid certain glyphs appearing under other ones.

What do you mean? Would this not be a consequence of other more "natural" fearures?

How would it be?  I'm writing an article on this so it would be interesting to hear of a natural reason.   It seems very artificial to me.