\version "2.19.21"

\header {
doctitlees = "If you see this 'translated' doctitle, language detection works!"

texidoces = "If you see this 'translated' texidoc, language detection works!"

  texidoc = "Original texidoc (you should not see this!)"
  doctitle = "Original doctitle (you should not see this!)"
}

\relative {
  c''1
}