anchor.diff:  $ nats-pub foo 'Hello World!'
   </pre>
   
  -## Basic Usage
  +## <a id='basic-usage'></a>Basic Usage ##
   
   ~~~ruby
   require "nats/client"
  
positive.code: 
  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
  
  <pre class="terminal">
  $ gem install nats
  
negative.code: NATS.subscribe('foo.>') { |msg, reply, sub| puts "Msg received on [#{sub}] : '#{msg}'" }
  ~~~
  
  ## <a id='queues-groups'></a>Queues Groups ##
  
  ~~~ruby
  # All subscriptions with the same queue name will form a queue group
  