Hendri Adriaens
Reverse-counting enumerate environment.
Extract parts of a document and write to another document.
Reduce size of PostScript files by not repeating images.
Patches and improvements for prosper.
Macros for manipulating polynomials.
A presentation class.
Key-value syntax for PSTricks packages.
Extension of the keyval package.
Provision for expandable macros in package options.
Xkeyval viewer.