# File lib/hikidoc.rb, line 619
    def dlist_item(dt, dd)
      case
      when dd.empty?
        @f.puts "<dt>#{dt}</dt>"
      when dt.empty?
        @f.puts "<dd>#{dd}</dd>"
      else
        @f.puts "<dt>#{dt}</dt>"
        @f.puts "<dd>#{dd}</dd>"
      end
    end