# File lib/asciidoctor/converter/docbook5.rb, line 681
    def document_info_element doc, info_tag_prefix, use_info_tag_prefix = false
      info_tag_prefix = nil unless use_info_tag_prefix
      result = []
      result << %(<#{info_tag_prefix}info>)
      result << document_title_tags(doc.doctitle :partition => true, :use_fallback => true) unless doc.notitle
      if (date = (doc.attr? 'revdate') ? (doc.attr 'revdate') : ((doc.attr? 'reproducible') ? nil : (doc.attr 'docdate')))
        result << %(<date>#{date}</date>)
      end
      if doc.has_header?
        if doc.attr? 'author'
          if (authorcount = (doc.attr 'authorcount').to_i) < 2
            result << (author_element doc)
            result << %(<authorinitials>#{doc.attr 'authorinitials'}</authorinitials>) if doc.attr? 'authorinitials'
          else
            result << '<authorgroup>'
            authorcount.times do |index|
              result << (author_element doc, index + 1)
            end
            result << '</authorgroup>'
          end
        end
        if (doc.attr? 'revdate') && ((doc.attr? 'revnumber') || (doc.attr? 'revremark'))
          result << %(<revhistory>
<revision>)
          result << %(<revnumber>#{doc.attr 'revnumber'}</revnumber>) if doc.attr? 'revnumber'
          result << %(<date>#{doc.attr 'revdate'}</date>) if doc.attr? 'revdate'
          result << %(<authorinitials>#{doc.attr 'authorinitials'}</authorinitials>) if doc.attr? 'authorinitials'
          result << %(<revremark>#{doc.attr 'revremark'}</revremark>) if doc.attr? 'revremark'
          result << %(</revision>
</revhistory>)
        end
        unless use_info_tag_prefix
          if (doc.attr? 'front-cover-image') || (doc.attr? 'back-cover-image')
            if (back_cover_tag = cover_tag doc, 'back')
              result << (cover_tag doc, 'front', true)
              result << back_cover_tag
            elsif (front_cover_tag = cover_tag doc, 'front')
              result << front_cover_tag
            end
          end
        end
        unless (head_docinfo = doc.docinfo).empty?
          result << head_docinfo
        end
        result << %(<orgname>#{doc.attr 'orgname'}</orgname>) if doc.attr? 'orgname'
      end
      result << %(</#{info_tag_prefix}info>)

      if doc.doctype == 'manpage'
        result << '<refmeta>'
        result << %(<refentrytitle>#{doc.attr 'mantitle'}</refentrytitle>) if doc.attr? 'mantitle'
        result << %(<manvolnum>#{doc.attr 'manvolnum'}</manvolnum>) if doc.attr? 'manvolnum'
        result << '</refmeta>'
        result << '<refnamediv>'
        result << %(<refname>#{doc.attr 'manname'}</refname>) if doc.attr? 'manname'
        result << %(<refpurpose>#{doc.attr 'manpurpose'}</refpurpose>) if doc.attr? 'manpurpose'
        result << '</refnamediv>'
      end

      result * LF
    end