class Tilt::ErubisTemplate

def prepare
  @outvar = options.delete(:outvar) || self.class.default_output_variable
  @options.merge!(:preamble => false, :postamble => false, :bufvar => @outvar)
  engine_class = options.delete(:engine_class)
  engine_class = ::Erubis::EscapedEruby if options.delete(:escape_html)
  @engine = (engine_class || ::Erubis::Eruby).new(data, options)
end