anchor.diff:  :filename: 020_tutorial/110_revealjs_and_arc42_from_scratch.adoc
   include::_config.adoc[]
   
  -== Reveal.js Presentation and Arc42 from Scratch
  +== Reveal.js & Arc42 from Scratch
   
   The following procedure describes how to set up the https://arc42.org[arc42] template and a sample https://docs.asciidoctor.org/reveal.js-converter/latest/[Asciidoctor
   reveal.js] presentation from scratch.
  
positive.code: ```
  
  [start=2]
  . Add the following entry into the `inputFiles` section of `Config.groovy` (note the ","   at the end of the line):
  
  ```groovy
  [file: 'presentation.adoc', formats: ['revealjs']],
  
negative.code: If `docToolchain` reports an error like
  
  ```text
  BUG! exception in phase 'semantic analysis' in source unit 'script16562611848591859871238.groovy'
  Unsupported class file major version 61
  ```
  
  you are likely using newer version of Java and / or Gradle than supported by the tool. Please make sure you have configured https://sdkman.io[sdkman] to use the correct versions of Java and Gradle (see above).
  