*{:tag=>(@special ? (@level <= 1 ? @sectname : 'section') : (@document.doctype == 'book' && @level <= 1 ? (@level == 0 ? 'part' : 'chapter') : 'section')),
    :id=>@id, :role=>(attr :role), :xreflabel=>(attr :reftext)}
  - if title?
    title=title
  =content