class RDoc::Markup::ToHtml

def handle_regexp_TIDYLINK(target)
  text = target.text
  return text unless
    text =~ /^\{(.*)\}\[(.*?)\]$/ or text =~ /^(\S+)\[(.*?)\]$/
  label = $1
  url   = CGI.escapeHTML($2)
  if /^rdoc-image:/ =~ label
    label = handle_RDOCLINK(label)
  else
    label = CGI.escapeHTML(label)
  end
  gen_url url, label
end