An uncomplicated XML vocabulary for authors of research articles, textbooks, and monographs. The best of DocBook, LaTeX, and HTML. Outputs: print, PDF, web, EPUB, Jupyter Notebooks, … (Before June 2017, PreTeXt was called “MathBook XML”, so many of those references remain.)

We started designing topic maps in an informal working group called Davenport, which turned out to also be at the origin of the SGML/XML-based "Docbook" document architecture.