anchor.diff:  
   ****
   
  +[[introduction]]
   == What is Afterglow?
   
   Afterglow is a lighting controller designed to support
  
positive.code: ifdef::env-github[:outfilesuffix: .adoc]
  
  To keep page sizes manageable, this information is split into several
  pages. This page provides an <<what-is-afterglow,introduction>> and
  overview, and links to other sections as needed. It is worth reading
  through this whole page once if you are new to Afterglow, because the
  orientation it provides will be helpful, and it ends with a guide to
  help you get started on your way to creating your own light show. Once
  you know what you are looking for, you can also dive right into it by
  jumping to the page you want:
  
  ****
  
  
negative.code: included in the project
  https://github.com/brunchboy/afterglow[README].
  
  [[overview]]
  == How Afterglow Works
  
  The fundamental task of Afterglow is to make light shows happen. It
  