class Sanitize

def initialize(config = {})

Returns a new Sanitize object initialized with the settings in _config_. 
def initialize(config = {})
  @config = Config::DEFAULT.merge(config)
  @transformers = {
    :breadth => Array(@config[:transformers_breadth].dup),
    :depth   => Array(@config[:transformers]) + Array(@config[:transformers_depth])
  }
  # Default depth transformers. These always run at the end of the chain,
  # after any custom transformers.
  @transformers[:depth] << Transformers::CleanComment unless @config[:allow_comments]
  @transformers[:depth] <<
      Transformers::CleanCDATA <<
      Transformers::CleanElement.new(@config)
end