class RDoc::Markup::Formatter

def convert_regexp_handling(target)
  return target.text if in_tt?
  handled = false
  @attributes.each_name_of target.type do |name|
    method_name = "handle_regexp_#{name}"
    if respond_to? method_name then
      target.text = public_send method_name, target
      handled = true
    end
  end
  unless handled then
    target_name = @attributes.as_string target.type
    raise RDoc::Error, "Unhandled regexp handling #{target_name}: #{target}"
  end
  target.text
end