anchor.diff:  ends with one of the suffixes '.adoc', '.ad', '.asciidoc', or '.asc', pressing this icon displays the preview pane.
   
   In the upper right corner of the preview pane, pressing the gear symbol opens the settings panel.
  +
  +For better sytax highlighting of AsciiDoc, you may also want to install additional themes. I tried the 
  +https://github.com/MiguelCastillo[Themes] extension by Miguel Castillo. Themes do not all work equally
  +well for AsciiDoc, so you need to experiment. 'Vibrank Ink' is pretty colorful, for example.
   
   == Known Issues
   
  
positive.code: 
  The actual formatting is performed by
  https://github.com/asciidoctor/asciidoctor.js[Asciidoctor.js],
  the Javascript incarnation of http://asciidoctor.org/[Asciidoctor].
  
  AsciiDoc mode for CodeMirror was created by 
  Thaddee Tyl (https://github.com/espadrine/LivesciiDoc), who
  
negative.code: 
  Based on 'MarkdownPreview', Copyright (C) 2012 Glenn Ruehle.
  
  AsciiDoc mode Copyright (C) 2014 Thaddee Tyl <thaddee.tyl@gmail.com>
  
  
  