class Rouge::Lexer

def assert_utf8!(str)

Other tags:
    Private: -
def assert_utf8!(str)
  return if %w(US-ASCII UTF-8 ASCII-8BIT).include? str.encoding.name
  raise EncodingError.new(
    "Bad encoding: #{str.encoding.names.join(',')}. " +
    "Please convert your string to UTF-8."
  )
end