* Intro
** Defining completion functions
* Utility functions with example code
** compadd
** _gnu_generic
** _arguments
   :PROPERTIES:
   :ID:       64bcd501-b0f0-48c7-b8e2-07af708b95ec
   :END:
** _regex_arguments
** _regex_words
** _values
** _comma_separated
* Putting it all together
* Other resources
[[http://wikimatze.de/writing-zsh-completion-for-padrino.html][Here]] is a nicely formatted short tutorial showing basic usage of the [[id:64bcd501-b0f0-48c7-b8e2-07af708b95ec][_arguments]] function, 
and [[http://www.linux-mag.com/id/1106/][here]] is a slightly more advanced tutorial using the [[id:64bcd501-b0f0-48c7-b8e2-07af708b95ec][_arguments]] function.
[[http://linux.die.net/man/1/zshcompsys][Here]] is the zshcompsys man page.