anchor.diff:  --
   To render a file containing AsciiDoc markup to HTML 5, use:
   
  - Asciidoctor.render_file 'sample.adoc', :in_place => true
  +[source]
  +Asciidoctor.render_file 'sample.adoc', :in_place => true
   
   The command will output to the file +sample.html+ in the same directory.
   
  -You can render the file to DocBook 4.5 by setting the +:backend+ option to +'docbook'+:
  -
  - Asciidoctor.render_file 'sample.adoc', :in_place => true, :backend => 'docbook'
  +You can render the file to DocBook 4.5 by setting the +:backend+ option to +:docbook+:
  +
  +[source]
  +Asciidoctor.render_file 'sample.adoc', :in_place => true, :backend => :docbook
   
   The command will output to the file +sample.xml+ in the same directory.
   (If you're on Linux, you can view the file using yelp).
  
positive.code:  $ gem update asciidoctor
  
  [TIP]
  ====
  If you accidentally use +gem install+ instead of +gem update+ then you will have both versions installed.
  If you wish to remove the older version use the +gem+ command:
  
   $ gem cleanup asciidoctor
  
  ====
  
  On Fedora, you can update it using:
  
  
negative.code: :license: https://github.com/asciidoctor/asciidoctor/blob/master/LICENSE
  :idprefix:
  :idseparator: -
  :language: ruby
  
  {homepage}[Asciidoctor] is an open source text processor and publishing toolchain for transforming {asciidoc}[AsciiDoc] markup into HTML 5, DocBook 4.5 and 5.0 and other custom formats.
  Asciidoctor is written entirely in Ruby, packaged as a RubyGem and published to {gem}[RubyGems.org].
  There are also Fedora, Debian and Ubuntu packages available for installing Asciidoctor.
  Asciidoctor is released under the MIT license.
  
  ifdef::env-github[]
  *Project health:* image:https://travis-ci.org/asciidoctor/asciidoctor.png?branch=master[Build Status, link="https://travis-ci.org/asciidoctor/asciidoctor"]
  endif::env-github[]
  
  == AsciiDoc Processing
  
  