# File lib/asciidoctor/converter/html5.rb, line 724 def preamble node if (doc = node.document).attr?('toc-placement', 'preamble') && doc.sections? && (doc.attr? 'toc') toc = %( <div id="toc" class="#{doc.attr 'toc-class', 'toc'}"> <div id="toctitle">#{doc.attr 'toc-title'}</div> #{outline doc} </div>) else toc = nil end %(<div id="preamble"> <div class="sectionbody"> #{node.content} </div>#{toc} </div>) end