And turned the source code of the tooling into a book! https://www.amazon.com/Computers-Typesetting-B-TeX-Program/dp/0201134373 https://www.amazon.com/Computer

And turned the source code of the tooling into a book! https://www.amazon.com/Computers-Typesetting-B-TeX-Program/dp/0201134373 https://www.amazon.com/Computers-Typesetting-B-TeX-Program/d...