anchor.diff:  The PDF outline resulting from the example above will be titled "`The Chronicles`".
   
   [#levels]
  -== outlinelevels
  +== outlinelevels attribute
   
   You can adjust the depth of section levels that are displayed in the PDF outline independent of the TOC level depth with the `outlinelevels` document attribute.
   By default, `outlinelevels` is set to the same value as `toclevels` and all the included levels are fully expanded.
  
positive.code: ----
  <.> Directly after the first integer, enter a colon (`:`), and then a second integer.
  
  [#deactivate]
  == Deactivate the outline
  
  
negative.code: The outline can also be deactivated with the `outline` attribute.
  
  [#title]
  == outline-title attribute
  
  By default, the document title is displayed as the title of the PDF outline.
  You can customize the outline title using the `outline-title` document attribute.
  