module Nokogiri

def self.HTML5(string_or_io, url = nil, encoding = nil, **options, &block)

Parse an HTML 5 document. Convenience method for Nokogiri::HTML5::Document.parse 
def self.HTML5(string_or_io, url = nil, encoding = nil, **options, &block)
  Nokogiri::HTML5::Document.parse(string_or_io, url, encoding, **options, &block)
end