anchor.diff:  .build.gradle (real-world example)
   [source,groovy]
   ----
  -apply plugin: 'org.aim42.htmlSanityCheck'
  +apply plugin: 'org.aim42.HtmlSanityCheck-gradle-plugin'
   
   htmlSanityCheck {
       dependsOn asciidoctor, copyImages
  
positive.code: Markdown or other formats - as converters usually don't check for missing images
  or broken links.
  
  It can be used as Gradle plugin or as standalone Java/Groovy app. A simple UI
  is planned for a future release.
  
  
  
  
negative.code: :gradle-url: http://gradle.org/
  
  :gernotstarke: https://github.com/gernotstarke
  :project: HtmlSanityCheck-gradle-plugin
  :project-url: https://github.com/aim42/htmlSanityCheck
  :project-issues: https://github.com/aim42/htmlSanityCheck/issues
  :project-bugs: https://github.com/aim42/htmlSanityCheck/issues?q=is%3Aopen+is%3Aissue+label%3Abug
  