anchor.diff:  NOTE: The `asciidoctor-epub3` command is a temporary solution for invoking the {project-name} converter.
   We plan to remove this script once we have completed proper integration with the `asciidoctor` command.
   
  -TIP: As another example, point `asciidoctor-epub3` at the https://github.com/opendevise/github-guides-asciidoc[GitHub Guides] that we've ported to AsciiDoc, then compare the output to the real https://guides.github.com[GitHub Guides].
  +TIP: As another example, point `asciidoctor-epub3` at the {uri-github-guides-fork}[GitHub Guides] that we've ported to AsciiDoc, then compare the output to the real {uri-github-guides}[GitHub Guides].
   
   === Validate the EPUB3 Archive
   
  
positive.code: :uri-idpf: http://www.idpf.org/
  :uri-epub: http://www.idpf.org/epub/31/spec/epub-spec.html
  :uri-epubcheck: https://github.com/idpf/epubcheck
  
  ifdef::status[]
  image:https://img.shields.io/gem/v/asciidoctor-epub3.svg[Latest Release,link={uri-gem}]
  
negative.code:  $ asciidoctor-epub3 -a listing-caption! book.adoc
  
  Now the behavior will match that of the built-in converters.
  For more information about this attribute and other related attributes, see {uri-asciidoctor-i18n}[internationalization and numbering].
  
  === Command Arguments
  
  