class ActionView::Template::Handlers::ERB

def compile(template)
  if template.source.encoding_aware?
    # First, convert to BINARY, so in case the encoding is
    # wrong, we can still find an encoding tag
    # (<%# encoding %>) inside the String using a regular
    # expression
    template_source = template.source.dup.force_encoding("BINARY")
    erb = template_source.gsub(ENCODING_TAG, '')
    encoding = $2
    erb.force_encoding valid_encoding(template.source.dup, encoding)
    # Always make sure we return a String in the default_internal
    erb.encode!
  else
    erb = template.source.dup
  end
  self.class.erb_implementation.new(
    erb,
    :trim => (self.class.erb_trim_mode == "-")
  ).src
end