class Nokogiri::HTML::Document

def parse string_or_io, url = nil, encoding = nil, options = XML::ParseOptions::DEFAULT_HTML, &block

Nokogiri::XML::ParseOptions.
Nokogiri::XML::ParseOptions::RECOVER. See the constants in
is a number that sets options in the parser, such as
encoding that should be used when processing the document. +options+
+url+ is resource where this document is located. +encoding+ is the
responds to _read_ and _close_ such as an IO, or StringIO.
Parse HTML. +thing+ may be a String, or any object that
## 
def parse string_or_io, url = nil, encoding = nil, options = XML::ParseOptions::DEFAULT_HTML, &block
  options = Nokogiri::XML::ParseOptions.new(options) if Fixnum === options
  # Give the options to the user
  yield options if block_given?
  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 read_io(string_or_io, url, encoding, options.to_i)
  end
  # read_memory pukes on empty docs
  return new if string_or_io.nil? or string_or_io.empty?
  read_memory(string_or_io, url, encoding, options.to_i)
end