class Rouge::Lexer

def assert_utf8!(str)

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