module Nokogiri::HTML

def parse string_or_io, url = nil, encoding = nil, options = 2145
  if string_or_io.respond_to?(:encoding)
    encoding ||= string_or_io.encoding.name
  end
  if string_or_io.respond_to?(:read)
    url ||= string_or_io.respond_to?(:path) ? string_or_io.path : nil
    return Document.read_io(string_or_io, url, encoding, options)
  end
  return Document.new if(string_or_io.length == 0)
  Document.read_memory(string_or_io, url, encoding, options)
end