Pandora’s \hbox: Using LuaTeX to Lift the Lid of TeX Boxes
Boxes and glue are two key concepts which provide the foundation for TeX’s typesetting model and capabilities. Building on the introductory material in a previous post, Boxes and Glue: A Brief, but Visual, Introduction Using LuaTeX, this extensively-illustrated article examines boxes and glue in more detail. We also present a new LuaTeX-based Overleaf project that enables you to explore the deep inner structure of TeX boxes—providing insights which will help you to truly understand their behaviour.