http://asciidoctor.org/news/2016/04/05/debuter-avec-asciidoctor/#packages-pour-atom

https://atom.io/packages/asciidoc-assistant

This package adds extra functionality to Atom for the AsciiDoc(octor) language by installing the following packages:

  language-asciidoc
  asciidoc-preview
  autocomplete-asciidoc
  asciidoc-image-helper