[texhax] architectural documentation for low-level LaTeX functions?

[Martin Schröder]

2006/10/17, Uwe Lück <uwe.lueck at web.de>:
> Indeed; I don't know a better way to learn about these things
> then to read the LaTeX code (jumping around for definitions)
> and to read the TeXbook (or TeX by Topic).

Before you start with source2e, you should study the LaTeX companion,
as it covers the higher-level interfaces.

Best
   Martin