[dev-context] Typesetting ConTeXt modules?

Hello! How does one go about converting ConTeXt module files (such as syst-ext.tex and so forth) into typeset documentation? I saw the modules.zip file that Luigi Scarso uses to create his modules.pdf file, here: http://wiki.contextgarden.net/User:Luigi.scarso/modules.pdf But that seems to rely on something else converting the .tex file from the module into a .ted file, and I haven't been able to figure that out on my own.... - Brooks