anchor.diff:  
       }
   }
  -
   ----
   
   The jar file must also contain the services file containing the fully qualified class name of the `ConverterRegistry` implementation to make this service implementation available:
  
positive.code: ////
  RP: This is a comment and should only appear in draft documents
  ////
  
  ----
  
  The preprocessor will render the document as if it looked like this:
  
negative.code: .META-INF/services/org.asciidoctor.jruby.syntaxhighlighter.spi.SyntaxHighlighterRegistry
  ----
  org.asciidoctor.integrationguide.syntaxhighlighter.HighlightJsExtension
  ----
  
  And that's all.
  