anchor.diff:  
   This information was adapted from the [NATS](https://github.com/derekcollison/nats) README. NATS is a lightweight publish-subscribe and distributed queueing messaging system written in Ruby.
   
  -## Getting Started
  +## <a id='install'></a>Install NATS ##
   
   <pre class="terminal">
   $ gem install nats
  
positive.code: $ nats-pub foo 'Hello World!'
  </pre>
  
  ## Basic Usage
  
  ~~~ruby
  require "nats/client"
  
negative.code: end
  ~~~
  
  ## <a id='wildcard'></a>Wildcard Subscriptions ##
  
  ~~~ruby
  # "*" matches any token, at any level of the subject.
  