class Nokogiri::XML::ParseOptions

def initialize options = STRICT
  @options = options
end

def inspect
  options = []
  self.class.constants.each do |k|
    options << k.downcase if send(:"#{k.downcase}?")
  end
  super.sub(/>$/, " " + options.join(', ') + ">")
end

def strict
  @options &= ~RECOVER
  self
end

def strict?
  @options & RECOVER == STRICT
end