anchor.diff:  .Publish both EPUB3 and KF8 files to Android device
    $ adb-push-ebook output/sample-book
   
  -IMPORTANT: Don't include the file extension since the script will check for both the .epub and .mobi files.
  +IMPORTANT: Don't include the file extension since the script will check for both .epub and .mobi files.
   
   The `adb-push-ebook` script copies the files to the following locations on the device:
   
  
positive.code: Therefore, the {project-name} converter “chunks” the AsciiDoc source document into multiple XHTML files to add to the EPUB3 archive.
  Like other converters, Asciidoctor EPUB3 handles this chunking task by automatically slicing up the XHTML output at predetermined heading levels.
  
  When `doctype` attribute is set to `book`, each top-level section will become a separate ebook "chapter" file.
  This includes preface, bibliography, appendix, etc.
  This behavior can be configured via `epub-chapter-level` document attribute.
  
  Otherwise, whole document is converted to a single ebook chapter.
  
  You may specify custom chapter filenames by assigning IDs to sections:
  
  
negative.code: 
  == Performing the Conversion
  
  You can convert AsciiDoc documents to EPUB3 and KF8/MOBI from the command line using the `asciidoctor-epub3` script provided with the {project-name} project.
  
  === Convert AsciiDoc to EPUB3
  
  