class RDoc::Markup::ToHtml

def list_item_start(list_item, list_type)
  case list_type
  when :BULLET, :LALPHA, :NUMBER, :UALPHA then
    "<li>"
  when :LABEL, :NOTE then
    Array(list_item.label).map do |label|
      "<dt>#{to_html label}</dt>\n"
    end.join << "<dd>"
  else
    raise RDoc::Error, "Invalid list type: #{list_type.inspect}"
  end
end