libhtml-html5-outline-perl 0.006-1 (ppc64el binary) in ubuntu utopic

 Resource Description Framework (RDF) is a standard model for data
 interchange on the Web.
 .
 HTML::HTML5::Outline is an implementation of the HTML5 Outline
 algorithm, as per http://www.w3.org/TR/html5/sections.html#outlines .
 .
 The module can output a JSON-friendly hashref, or an RDF model.