New posts in Macros

Double hashes inside macro definition?

Fourth argument in \RequirePackage internals?

Undefined color with the \colorlet command

One command that detects none letter in an argument

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

Iteratively define a matrix

Help me understand behaviour when redefining \textbullet

Simple key-value example

Using \let with \csname inside a macro

Trying to understand keyval.sty (specifically \KV@@sp@def)