Context for HTML SAX parsers. This class is usually not instantiated by the user. Instead, you should be looking at Nokogiri::HTML::SAX::Parser
# File lib/nokogiri/html/sax/parser_context.rb, line 9 def self.new thing, encoding = 'UTF-8' [:read, :close].all? { |x| thing.respond_to?(x) } ? super : memory(thing, encoding) end