anchor.diff:  
   Using a dedicated theme is necessary because PDF is a "`bring your own font`" kind of system.
   In other words, the font you provide must provide glyphs for all the characters.
  -There's no one font that supports all the worlds languages (though some, like Noto Serif, certainly come close). 
  +There's no one font that supports all the worlds languages (though some, like Noto Serif, certainly come close).
   Even if there were such a font, bundling that font with the main gem would make the package enormous.
   It would also severely limit the style choices in the default theme, which targets Latin-based languages.
   
  
positive.code: 
  [source,asciidoc]
  ----
  :source-highlighter: rouge 
  ----
  
  === Run the Application
  
negative.code: Then, you can install the published gem using the following command:
  
   $ gem install asciidoctor-pdf --pre
  
  If you want to syntax highlight source listings, you'll also want to install Rouge, Pygments, or CodeRay.
  Choose one (or more) of the following:
  
  