anchor.diff:  The ditaa block above results in the following generated diagram.
   
   .Rendered ditaa diagram
  -image::images/asciidoctor-diagram-process.png[Asciidoctor Diagram process diagram,650,319]
  +image::asciidoctor-diagram-process.png[Asciidoctor Diagram process diagram,650,319]
   
   The rendered ditaa diagram above gets the file name `58372f7d2ceffae9e91fd0a7cbb080b6.png`.
   That long number is the checksum of the source code calculated by asciidoctor-diagram.
  
positive.code: <3> The output format is entered in the third positional attribute.
  
  .Rendered PlantUML diagram
  image::images/asciidoctor-diagram-classes.png[Asciidoctor Diagram classes diagram]
  
  == Generating a Diagram from a Terminal
  
  
negative.code: = Asciidoctor Diagram
  Pepijn Van_Eeckhoudt <https://github.com/pepijnve[@pepijnve]>; Sarah White <https://github.com/graphitefriction[@graphitefriction]>
  :description: README for the Asciidoctor Diagram extension for Asciidoctor.
  ifdef::env-github[:toc: macro]
  ifndef::env-site[:toc: preamble]
  ifndef::imagesdir[:imagesdir: images]
  :icons: font
  :source-highlighter: coderay
  :source-language: asciidoc
  