New posts in Tex Core

Expand an argument into a string

Theoretical/academical question - Is it possible to simulate, e.g., a (unicode) LuaTeX engine on an 8-bit Knuth TeX engine?

How to \futurelet the token after a space

Longest built-in LaTeX command?

How/where did Knuth define the famous \TeX macro?

What is the LaTeX3 project doing to make LaTeX run faster?

questions about TeX expansion

Double hashes inside macro definition?

I need to understand some cmds of tex

\edef\relax{\relax} makes \relax hang forever