Earlier quoted context omitted.
Classic TeX would be damn near useless in the age of Unicode, so you're looking at something like XeLaTeX or LUATex. The problem is that it's really easy to implement a really basic form of TeX, but unless you already planned for the really hard cases, maintaining your implementation is going to become intractible. TeX's real text typesetting is almost always woefully ignored even though _everything_ has to type beau…
> Classic TeX would be damn near useless in the age of Unicode Unless you want to write in English, which i am going to bet it still has a somewhat large audience :-P
Even if you're talking purely about people in USA - for example, a page of MIT faculty https://www.eecs.mit.edu/people/faculty-advisors includes names like Jesús, Corbató and Tomás.