anchor.diff:  <1> The block macro processor is registered at the `JavaExtensionRegistry` of the Asciidoctor instance.
   <2> Check that the resulting HTML contains the `<script>` element that you also get from the https://gist.github.com when you get the HTML snippet to embed a gist.
   
  -
  +[[inlineprocessor]]
   === Inline Macro Processors
   
   An inline macro is very similar to a block macro.
  
positive.code: Ruby ruby = JRubyRuntimeContext.get(asciidoctor);
  ----
  
  == Extend AsciidoctorJ: Write own extensions
  
  One of the major improvements to Asciidoctor recently is the extensions API.
  AsciidoctorJ brings this extension API to the JVM environment.
  
negative.code: <4> Test via the Jsoup HTML parsing library that our meta tag was correctly added to the resulting document.
  
  [[ExtensionSPI]]
  ===Automatically loading extensions
  
  In previous examples, the extensions were registered manually.
  However, AsciidoctorJ provides another way to register extensions.
  