Message in Polish (Polski)
Atrybut 'standalone' musi mieć wartość 'yes' lub 'no'.
Unlocalized message
The standalone attribute must have the value 'yes' or 'no'.
Search by GoogleAtrybut 'standalone' musi mieć wartość 'yes' lub 'no'.
The standalone attribute must have the value 'yes' or 'no'.
Search by Google