module RedCloth::Formatters::HTML

def fn(opts) 

def fn(opts)
  no = opts[:id]
  opts[:id] = "fn#{no}"
  opts[:class] = ["footnote", opts[:class]].compact.join(" ")
  "<p#{pba(opts)}><a href=\"#fnr#{no}\"><sup>#{no}</sup></a> #{opts[:text]}</p>\n"
end